Update migrate-s3.yaml

.github/workflows/migrate-s3.yaml

@@ -73,7 +73,7 @@ jobs:
           cleaned_prefixes=$(echo $cleaned_prefixes | sed 's/contentstore.deleted,//')\
           # remove `contentstore.deleted` from cleaned_prefixes if at the end of the list
           cleaned_prefixes=$(echo $cleaned_prefixes | sed 's/contentstore.deleted//')
-          ## None occurs when a file is at the root of the bucket or level 1 directory
+          # None occurs when a file is at the root of the bucket or level 1 directory
           # remove None from cleaned_prefixes if at the end of the list
           cleaned_prefixes=$(echo $cleaned_prefixes | sed 's/None//')
           # remove None from cleaned_prefixes with comma if in list