clarify usage

Author: sj

misc/scripts/resolve-code-scanning-query-packs.py

@@ -9,9 +9,11 @@
 and prints CSV data to stdout that describes which packs contain which queries.
 
 Errors are printed to stderr. This script requires that 'git' and 'codeql' commands
-are on the PATH, and should be run either from within a clone of github/codeql,
-or in the parent directory thereof. It expects a directory 'codeql-go' as a sibling
-of the github/codeql clone.
+are on the PATH. It'll try to automatically set the CodeQL search path correctly,
+as long as you run the script from one of the following locations:
+ - anywhere from within a clone of the CodeQL Git repo
+ - from the parent directory of a clone of the CodeQL Git repo (assuming 'codeql' 
+   and 'codeql-go' directories both exist)
 """
 
 # Define which languages and query packs to consider