chore: fix some typos

src/datetime/tests.rs

@@ -603,7 +603,7 @@ fn signed_duration_since_autoref() {
     let diff2 = dt2.signed_duration_since(&dt1); // Take by reference
     assert_eq!(diff1, -diff2);
 
-    let diff1 = dt1 - &dt2; // We can choose to substract rhs by reference
+    let diff1 = dt1 - &dt2; // We can choose to subtract rhs by reference
     let diff2 = dt2 - dt1; // Or consume rhs
     assert_eq!(diff1, -diff2);
 }

src/naive/datetime/mod.rs

@@ -909,7 +909,7 @@ impl NaiveDateTime {
     /// This can fail in cases where the local time represented by the `NaiveDateTime`
     /// is not a valid local timestamp in the target timezone due to an offset transition
     /// for example if the target timezone had a change from +00:00 to +01:00
-    /// occuring at 2015-09-05 22:59:59, then a local time of 2015-09-05 23:56:04
+    /// occurring at 2015-09-05 22:59:59, then a local time of 2015-09-05 23:56:04
     /// could never occur. Similarly, if the offset transitioned in the opposite direction
     /// then there would be two local times of 2015-09-05 23:56:04, one at +00:00 and one
     /// at +01:00.

src/offset/local/unix.rs

@@ -29,7 +29,7 @@ fn offset(d: &NaiveDateTime, local: bool) -> LocalResult<FixedOffset> {
 }
 
 // we have to store the `Cache` in an option as it can't
-// be initalized in a static context.
+// be initialized in a static context.
 thread_local! {
     static TZ_INFO: RefCell<Option<Cache>> = Default::default();
 }

src/offset/local/windows.rs

@@ -273,7 +273,7 @@ mod tests {
                 SystemTimeToFileTime(st, init.as_mut_ptr());
             }
             // SystemTimeToFileTime must have succeeded at this point, so we can assume the value is
-            // initalized.
+            // initialized.
             let filetime = unsafe { init.assume_init() };
             let bit_shift =
                 ((filetime.dwHighDateTime as u64) << 32) | (filetime.dwLowDateTime as u64);

tests/dateutils.rs

@@ -28,8 +28,8 @@ fn verify_against_date_command_local(path: &'static str, dt: NaiveDateTime) {
     //     assert_eq!("", date_command_str);
     // }
 
-    // This is used while a decision is made wheter the `date` output needs to
-    // be exactly matched, or whether LocalResult::Ambigious should be handled
+    // This is used while a decision is made whether the `date` output needs to
+    // be exactly matched, or whether LocalResult::Ambiguous should be handled
     // differently
 
     let date = NaiveDate::from_ymd_opt(dt.year(), dt.month(), dt.day()).unwrap();