diff --git a/doc/21-development.md b/doc/21-development.md
index 8fb5b2ce73..cceaece200 100644
--- a/doc/21-development.md
+++ b/doc/21-development.md
@@ -1736,9 +1736,11 @@ and don't care for the details,
 
 1. ensure there are 35 GB free space on C:
 2. run the following in an administrative Powershell:
-    1. `Enable-WindowsOptionalFeature -FeatureName "NetFx3" -Online`
+    1. Windows Server only:
+       `Enable-WindowsOptionalFeature -FeatureName NetFx3ServerFeatures -Online`
+    2. `Enable-WindowsOptionalFeature -FeatureName NetFx3 -Online`
        (reboot when asked!)
-    2. `powershell -NoProfile -ExecutionPolicy Bypass -Command "Invoke-Expression (New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/Icinga/icinga2/master/doc/win-dev.ps1')"`
+    3. `powershell -NoProfile -ExecutionPolicy Bypass -Command "Invoke-Expression (New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/Icinga/icinga2/master/doc/win-dev.ps1')"`
        (will take some time)
 
 This installs everything needed for cloning and building Icinga 2