Update 70checkmarketplace.yml

Author: tomcat323

buildspec/release/70checkmarketplace.yml

@@ -34,6 +34,7 @@ phases:
                   echo checkmarketplace: "Unknown TARGET_EXTENSION: ${TARGET_EXTENSION}"
                   exit 1
                 fi
+            # If in beta, use code-insiders to install specific beta version
             - |
                 if [ "$STAGE" != "prod" ]; then
                   echo "checkmarketplace: Non-production stage detected. Installing beta version "${beta_version}"."