Update CONTRIBUTING.md (#10848)

Just minor edits to the MD. Was missing "bug report" it was just "A well written bug..." Was fun tho :)

Author: Moonnest

CONTRIBUTING.md

@@ -8,7 +8,7 @@ See the `10) Reporting a Windows crash (BSOD)` section below for detailed instru
 Note that WSL distro's launch in the Windows Console (unless you have taken steps to launch a 3rd party console/terminal). Therefore, *please file UI/UX related issues in the [Windows Console issue tracker](https://github.com/microsoft/console)*.
 
 ## Reporting issues in WSL
-A well written bug will follow the following template:
+A well written bug report will follow the following template:
 
 ### 1) Issue Title
 A title succinctly describing the issue.
@@ -273,4 +273,4 @@ To collect time travel debugging traces:
 
 10) Go to the folder where the trace was colleced, and locate the .run file. It should look like: `wslservice*.run`
 
-11) Share that file on the issue
+11) Share that file on the issue