Merge pull request #107 from Icinga:doc/fix_cpu_doc_spelling

Docs: Fixes CPU spelling error in docs

Author: LordHepipud

doc/plugins/04-Invoke-IcingaCheckCPU.md

@@ -36,7 +36,7 @@ To execute this plugin you will require to grant the following user permissions.
 ### Example Command 1
 
 ```powershell
-Invoke-IcingaCheckCpu -Warning 50 -Critical 75
+Invoke-IcingaCheckCPU -Warning 50 -Critical 75
 ```
 
 ### Example Output 1
@@ -48,7 +48,7 @@ Invoke-IcingaCheckCpu -Warning 50 -Critical 75
 ### Example Command 2
 
 ```powershell
-Invoke-IcingaCheckCpu -Warning 50 -Critical 75 -Core 1
+Invoke-IcingaCheckCPU -Warning 50 -Critical 75 -Core 1
 ```
 
 ### Example Output 2

plugins/Invoke-IcingaCheckCPU.psm1

@@ -17,11 +17,11 @@
 
     * Performance Log Users
 .EXAMPLE
-    PS>Invoke-IcingaCheckCpu -Warning 50 -Critical 75
+    PS>Invoke-IcingaCheckCPU -Warning 50 -Critical 75
     [OK]: Check package "CPU Load" is [OK]
     | 'Core #0'=4,59%;50;75;0;100 'Core #1'=0,94%;50;75;0;100 'Core #2'=11,53%;50;75;0;100 'Core #3'=4,07%;50;75;0;100
 .EXAMPLE
-    PS>Invoke-IcingaCheckCpu -Warning 50 -Critical 75 -Core 1
+    PS>Invoke-IcingaCheckCPU -Warning 50 -Critical 75 -Core 1
     [OK]: Check package "CPU Load" is [OK]
     | 'Core #1'=2,61%;50;75;0;100
 .PARAMETER Warning