Fix comments.

Former-commit-id: 7abf8bed361bf34974bf76b264ecb9b98b4527a9
Former-commit-id: b1b1037a5c6bf9cff05f9f527a37b7c5b3f476d2
Former-commit-id: a8ca45468a39726e39a585fd913fcf54202615d8

appveyor.yml

@@ -8,9 +8,9 @@ install:
 # Use the install script to grab the latest dotnet install
 - ps: iex .\dotnet-latest.ps1
 
-# Prepend newly installed Python to the PATH of this build (this cannot be
-  # done from inside the powershell script as it would require to restart
-  # the parent CMD process).
+# Prepend newly installed dotnet cli to the PATH of this build (this cannot be
+# done from inside the powershell script as it would require to restart
+# the parent CMD process).
 - "SET PATH=C:\\Program Files\\dotnet\\bin;%PATH%"
 
 assembly_info: