fix test comment

Author: smoser

python-as-wrapper/test-python3-as-env

@@ -20,7 +20,8 @@ else
 fi
 
 # test that bad values are caught by the wrapper
-# range.value here is 'python' or 'python3' which might cause recursive
+# 'wrapped' here is 'python' or 'python3'. We want
+# to check that potential recursion is blocked.
 for val in bogus-prog-name $wrapped /usr/bin/$wrapped; do
   out=$(env "$varname=$val" "$wrapper" 2>&1)
   rc=$?