diff --git a/src/GpioLogic.cpp b/src/GpioLogic.cpp
index ba01d482da..e429df538e 100644
--- a/src/GpioLogic.cpp
+++ b/src/GpioLogic.cpp
@@ -66,7 +66,7 @@ GpioBinaryTransformer::GpioBinaryTransformer(GpioVirtPin *inPin1, GpioVirtPin *i
     assert(!inPin2->dependentPin); // We only allow one dependent pin
     inPin2->dependentPin = this;
 
-    // Don't update at construction time, because various GpioPins might be global constructor based not yet initied because
+    // Don't update at construction time, because various GpioPins might be global constructor based not yet initiated because
     // order of operations for global constructors is not defined.
     // update();
 }
diff --git a/src/Power.cpp b/src/Power.cpp
index f8d2459bdf..8d094244a5 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -640,7 +640,7 @@ void Power::readPowerStatus()
                 batteryChargePercent = batteryLevel->getBatteryPercent();
             } else {
                 // If the AXP192 returns a percentage less than 0, the feature is either not supported or there is an error
-                // In that case, we compute an estimate of the charge percent based on open circuite voltage table defined
+                // In that case, we compute an estimate of the charge percent based on open circuit voltage table defined
                 // in power.h
                 batteryChargePercent = clamp((int)(((batteryVoltageMv - (OCV[NUM_OCV_POINTS - 1] * NUM_CELLS)) * 1e2) /
                                                    ((OCV[0] * NUM_CELLS) - (OCV[NUM_OCV_POINTS - 1] * NUM_CELLS))),
diff --git a/src/PowerFSM.cpp b/src/PowerFSM.cpp
index 35ef2624a7..b94b11e0ae 100644
--- a/src/PowerFSM.cpp
+++ b/src/PowerFSM.cpp
@@ -185,7 +185,7 @@ static void powerEnter()
 {
     // LOG_DEBUG("Enter state: POWER");
     if (!isPowered()) {
-        // If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
+        // If we got here, we are in the wrong state - we should be in powered, let that state handle things
         LOG_INFO("Loss of power in Powered");
         powerFSM.trigger(EVENT_POWER_DISCONNECTED);
     } else {
@@ -230,7 +230,7 @@ static void onEnter()
 static void onIdle()
 {
     if (isPowered()) {
-        // If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
+        // If we got here, we are in the wrong state - we should be in powered, let that state handle things
         powerFSM.trigger(EVENT_POWER_CONNECTED);
     }
 }
@@ -371,7 +371,7 @@ void PowerFSM_setup()
 // We never enter light-sleep or NB states on NRF52 (because the CPU uses so little power normally)
 #ifdef ARCH_ESP32
     // See: https://github.com/meshtastic/firmware/issues/1071
-    // Don't add power saving transitions if we are a power saving tracker or sensor. Sleep will be initiatiated through the
+    // Don't add power saving transitions if we are a power saving tracker or sensor. Sleep will be initiated through the
     // modules
     if ((isRouter || config.power.is_power_saving) && !isTrackerOrSensor) {
         powerFSM.add_timed_transition(&stateNB, &stateLS,
diff --git a/src/gps/GPSUpdateScheduling.cpp b/src/gps/GPSUpdateScheduling.cpp
index abcf6b196f..09c92788e7 100644
--- a/src/gps/GPSUpdateScheduling.cpp
+++ b/src/gps/GPSUpdateScheduling.cpp
@@ -49,7 +49,7 @@ uint32_t GPSUpdateScheduling::msUntilNextSearch()
 }
 
 // How long have we already been searching?
-// Used to abort a search in progress, if it runs unnaceptably long
+// Used to abort a search in progress, if it runs unacceptably long
 uint32_t GPSUpdateScheduling::elapsedSearchMs()
 {
     // If searching
@@ -98,7 +98,7 @@ void GPSUpdateScheduling::updateLockTimePrediction()
 
     // Ignore the first lock-time: likely to be long, will skew data
 
-    // Second locktime: likely stable. Use to intialize the smoothing filter
+    // Second locktime: likely stable. Use to initialize the smoothing filter
     if (searchCount == 1)
         predictedMsToGetLock = lockTime;
 
@@ -106,7 +106,7 @@ void GPSUpdateScheduling::updateLockTimePrediction()
     else if (searchCount > 1)
         predictedMsToGetLock = (lockTime * weighting) + (predictedMsToGetLock * (1 - weighting));
 
-    searchCount++; // Only tracked so we can diregard initial lock-times
+    searchCount++; // Only tracked so we can disregard initial lock-times
 
     LOG_DEBUG("Predicting %us to get next lock", predictedMsToGetLock / 1000);
 }
diff --git a/src/gps/ubx.h b/src/gps/ubx.h
index 68cca00a3c..5519213842 100644
--- a/src/gps/ubx.h
+++ b/src/gps/ubx.h
@@ -462,7 +462,7 @@ the PM config. Lets try without it.
 PMREQ sort of works with SBAS, but the awake time is too short to re-acquire any SBAS sats.
 The defination of "Got Fix" doesn't seem to include SBAS. Much more too this...
 Even if it was, it can take minutes (up to 12.5),
-even under good sat visability conditions to re-acquire the SBAS data.
+even under good sat visibility conditions to re-acquire the SBAS data.
 
 Another effect fo the quick transition to sleep is that no other sats will be acquired so the
 sat count will tend to remain at what the initial fix was.
diff --git a/src/mesh/Channels.cpp b/src/mesh/Channels.cpp
index b9fe956789..a314a5498a 100644
--- a/src/mesh/Channels.cpp
+++ b/src/mesh/Channels.cpp
@@ -398,7 +398,7 @@ bool Channels::decryptForHash(ChannelIndex chIndex, ChannelHash channelHash)
  *
  * This method is called before encoding outbound packets
  *
- * @eturn the (0 to 255) hash for that channel - if no suitable channel could be found, return -1
+ * @return the (0 to 255) hash for that channel - if no suitable channel could be found, return -1
  */
 int16_t Channels::setActiveByIndex(ChannelIndex channelIndex)
 {
diff --git a/src/mesh/RadioInterface.cpp b/src/mesh/RadioInterface.cpp
index e8f6d1c070..00dbafdaab 100644
--- a/src/mesh/RadioInterface.cpp
+++ b/src/mesh/RadioInterface.cpp
@@ -140,7 +140,7 @@ const RegionInfo regions[] = {
         Philippines
                 433 - 434.7 MHz <10 mW erp, NTC approved device required
                 868 - 869.4 MHz <25 mW erp, NTC approved device required
-                915 - 918 MHz <250 mW EIRP, no external antennna allowed
+                915 - 918 MHz <250 mW EIRP, no external antenna allowed
                 https://github.com/meshtastic/firmware/issues/4948#issuecomment-2394926135
     */
 
diff --git a/src/mesh/RadioLibInterface.cpp b/src/mesh/RadioLibInterface.cpp
index df72a289bc..6f6d529304 100644
--- a/src/mesh/RadioLibInterface.cpp
+++ b/src/mesh/RadioLibInterface.cpp
@@ -348,7 +348,7 @@ void RadioLibInterface::handleTransmitInterrupt()
     // ignore the transmit interrupt
     if (sendingPacket)
         completeSending();
-    powerMon->clearState(meshtastic_PowerMon_State_Lora_TXOn); // But our transmitter is deffinitely off now
+    powerMon->clearState(meshtastic_PowerMon_State_Lora_TXOn); // But our transmitter is definitely off now
 }
 
 void RadioLibInterface::completeSending()
diff --git a/src/mesh/ReliableRouter.cpp b/src/mesh/ReliableRouter.cpp
index a2e09362dd..a107a381e5 100644
--- a/src/mesh/ReliableRouter.cpp
+++ b/src/mesh/ReliableRouter.cpp
@@ -224,7 +224,7 @@ int32_t ReliableRouter::doRetransmissions()
 
         bool stillValid = true; // assume we'll keep this record around
 
-        // FIXME, handle 51 day rolloever here!!!
+        // FIXME, handle 51 day rollover here!!!
         if (p.nextTxMsec <= now) {
             if (p.numRetransmissions == 0) {
                 LOG_DEBUG("Reliable send failed, returning a nak for fr=0x%x,to=0x%x,id=0x%x", p.packet->from, p.packet->to,
diff --git a/src/mesh/ReliableRouter.h b/src/mesh/ReliableRouter.h
index 259da7249f..ba9ab8c25f 100644
--- a/src/mesh/ReliableRouter.h
+++ b/src/mesh/ReliableRouter.h
@@ -4,7 +4,7 @@
 #include <unordered_map>
 
 /**
- * An identifier for a globalally unique message - a pair of the sending nodenum and the packet id assigned
+ * An identifier for a globally unique message - a pair of the sending nodenum and the packet id assigned
  * to that message
  */
 struct GlobalPacketId {
diff --git a/src/mesh/Router.cpp b/src/mesh/Router.cpp
index e1eb8eddf0..fbe111efde 100644
--- a/src/mesh/Router.cpp
+++ b/src/mesh/Router.cpp
@@ -426,7 +426,7 @@ bool perhapsDecode(meshtastic_MeshPacket *p)
     }
 }
 
-/** Return 0 for success or a Routing_Errror code for failure
+/** Return 0 for success or a Routing_Error code for failure
  */
 meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p)
 {
diff --git a/src/mesh/Router.h b/src/mesh/Router.h
index 8ebc1a3e53..73e4db5190 100644
--- a/src/mesh/Router.h
+++ b/src/mesh/Router.h
@@ -132,7 +132,7 @@ class Router : protected concurrency::OSThread
      */
     void handleReceived(meshtastic_MeshPacket *p, RxSource src = RX_SRC_RADIO);
 
-    /** Frees the provided packet, and generates a NAK indicating the speicifed error while sending */
+    /** Frees the provided packet, and generates a NAK indicating the specifed error while sending */
     void abortSendAndNak(meshtastic_Routing_Error err, meshtastic_MeshPacket *p);
 };
 
@@ -143,7 +143,7 @@ class Router : protected concurrency::OSThread
  */
 bool perhapsDecode(meshtastic_MeshPacket *p);
 
-/** Return 0 for success or a Routing_Errror code for failure
+/** Return 0 for success or a Routing_Error code for failure
  */
 meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p);
 
diff --git a/src/mesh/SX126xInterface.cpp b/src/mesh/SX126xInterface.cpp
index c88ed39d93..a975195dca 100644
--- a/src/mesh/SX126xInterface.cpp
+++ b/src/mesh/SX126xInterface.cpp
@@ -94,7 +94,7 @@ template <typename T> bool SX126xInterface<T>::init()
 
     // Overriding current limit
     // (https://github.com/jgromes/RadioLib/blob/690a050ebb46e6097c5d00c371e961c1caa3b52e/src/modules/SX126x/SX126x.cpp#L85) using
-    // value in SX126xInterface.h (currently 140 mA) It may or may not be neccessary, depending on how RadioLib functions, from
+    // value in SX126xInterface.h (currently 140 mA) It may or may not be necessary, depending on how RadioLib functions, from
     // SX1261/2 datasheet: OCP after setting DeviceSel with SetPaConfig(): SX1261 - 60 mA, SX1262 - 140 mA For the SX1268 the IC
     // defaults to 140mA no matter the set power level, but RadioLib set it lower, this would need further checking Default values
     // are: SX1262, SX1268: 0x38 (140 mA), SX1261: 0x18 (60 mA)
diff --git a/src/modules/NeighborInfoModule.cpp b/src/modules/NeighborInfoModule.cpp
index 88d434070d..7423c92e91 100644
--- a/src/modules/NeighborInfoModule.cpp
+++ b/src/modules/NeighborInfoModule.cpp
@@ -126,7 +126,7 @@ int32_t NeighborInfoModule::runOnce()
 }
 
 /*
-Collect a recieved neighbor info packet from another node
+Collect a received neighbor info packet from another node
 Pass it to an upper client; do not persist this data on the mesh
 */
 bool NeighborInfoModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshtastic_NeighborInfo *np)
diff --git a/src/modules/RoutingModule.cpp b/src/modules/RoutingModule.cpp
index f11a9a542f..d7cae41a6f 100644
--- a/src/modules/RoutingModule.cpp
+++ b/src/modules/RoutingModule.cpp
@@ -78,7 +78,7 @@ RoutingModule::RoutingModule() : ProtobufModule("routing", meshtastic_PortNum_RO
 {
     isPromiscuous = true;
 
-    // moved the ReboradcastMode logic into handleReceivedProtobuf
+    // moved the RebroadcastMode logic into handleReceivedProtobuf
     // LocalOnly requires either the from or to to be a known node
     // knownOnly specifically requires the from to be a known node.
     encryptedOk = true;
diff --git a/src/modules/SerialModule.cpp b/src/modules/SerialModule.cpp
index 1c45a1d404..7057e60874 100644
--- a/src/modules/SerialModule.cpp
+++ b/src/modules/SerialModule.cpp
@@ -532,7 +532,7 @@ void SerialModule::processWXSerial()
                  batVoltageF, capVoltageF, temperatureF);
     }
     if (gotwind && !Throttle::isWithinTimespanMs(lastAveraged, averageIntervalMillis)) {
-        // calulate averages and send to the mesh
+        // calculate averages and send to the mesh
         float velAvg = 1.0 * velSum / velCount;
 
         double avgSin = dir_sum_sin / dirCount;
diff --git a/src/modules/Telemetry/UnitConversions.cpp b/src/modules/Telemetry/UnitConversions.cpp
index 9f40de40fc..fff1ee3d2b 100644
--- a/src/modules/Telemetry/UnitConversions.cpp
+++ b/src/modules/Telemetry/UnitConversions.cpp
@@ -1,8 +1,8 @@
 #include "UnitConversions.h"
 
-float UnitConversions::CelsiusToFahrenheit(float celcius)
+float UnitConversions::CelsiusToFahrenheit(float celsius)
 {
-    return (celcius * 9) / 5 + 32;
+    return (celsius * 9) / 5 + 32;
 }
 
 float UnitConversions::MetersPerSecondToKnots(float metersPerSecond)
diff --git a/src/modules/Telemetry/UnitConversions.h b/src/modules/Telemetry/UnitConversions.h
index 60f9b664ae..6384763150 100644
--- a/src/modules/Telemetry/UnitConversions.h
+++ b/src/modules/Telemetry/UnitConversions.h
@@ -3,7 +3,7 @@
 class UnitConversions
 {
   public:
-    static float CelsiusToFahrenheit(float celcius);
+    static float CelsiusToFahrenheit(float celsius);
     static float MetersPerSecondToKnots(float metersPerSecond);
     static float MetersPerSecondToMilesPerHour(float metersPerSecond);
     static float HectoPascalToInchesOfMercury(float hectoPascal);
diff --git a/src/motion/LSM6DS3Sensor.cpp b/src/motion/LSM6DS3Sensor.cpp
index 3b25c3872b..cd39fcb457 100755
--- a/src/motion/LSM6DS3Sensor.cpp
+++ b/src/motion/LSM6DS3Sensor.cpp
@@ -12,7 +12,7 @@ bool LSM6DS3Sensor::init()
         // Default threshold of 2G, less sensitive options are 4, 8 or 16G
         sensor.setAccelRange(LSM6DS_ACCEL_RANGE_2_G);
 
-        // Duration is number of occurances needed to trigger, higher threshold is less sensitive
+        // Duration is number of occurrences needed to trigger, higher threshold is less sensitive
         sensor.enableWakeup(config.display.wake_on_tap_or_motion, 1, LSM6DS3_WAKE_THRESH);
 
         LOG_DEBUG("LSM6DS3Sensor::init ok");
diff --git a/src/sleep.cpp b/src/sleep.cpp
index 3bc1042bb5..083d2a07ef 100644
--- a/src/sleep.cpp
+++ b/src/sleep.cpp
@@ -287,7 +287,7 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false)
         // No need to turn this off if the power draw in sleep mode really is just 0.2uA and turning it off would
         // leave floating input for the IRQ line
         // If we want to leave the radio receiving in would be 11.5mA current draw, but most of the time it is just waiting
-        // in its sequencer (true?) so the average power draw should be much lower even if we were listinging for packets
+        // in its sequencer (true?) so the average power draw should be much lower even if we were listening for packets
         // all the time.
         PMU->setChargingLedMode(XPOWERS_CHG_LED_OFF);
 
@@ -359,7 +359,7 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
     // never tries to go to sleep if the user is using the API
     // gpio_wakeup_enable((gpio_num_t)SERIAL0_RX_GPIO, GPIO_INTR_LOW_LEVEL);
 
-    // doesn't help - I think the USB-UART chip losing power is pulling the signal llow
+    // doesn't help - I think the USB-UART chip losing power is pulling the signal low
     // gpio_pullup_en((gpio_num_t)SERIAL0_RX_GPIO);
 
     // alas - can only work if using the refclock, which is limited to about 9600 bps