Update Compare-Object.md

Added line 77 for explaining sideindicators in the example section for easier understanding.

Author: PraveenGururaj

reference/7.5/Microsoft.PowerShell.Utility/Compare-Object.md

@@ -74,6 +74,7 @@ racoon      =>
 dog         <=
 squirrel    <=
 ```
+If you're specifically looking for differences after comparing both objects, refer to the side indicator column. (`<=`) indicates an item missing from the difference object, while (`=>`) indicates an item missing from the reference object.
 
 ### Example 2 - Compare each line of content and exclude the differences