#3724: Revise module docstring

Co-authored-by: Emma Hogan <[email protected]>

esmvaltool/utils/recipe_test_workflow/site/metoffice-recipes.jinja

@@ -6,7 +6,7 @@
 # recipe_path  The path to the recipe. Recipe paths are specified relative to
 #              esmvaltool/recipes. For recipes in subdirectories, `--` stands
 #              for `/` since the latter is an illegal char.
-# actual       A note of  the recipe's actual resource usage. From the
+# actual       A note of the recipe's actual resource usage. From the
 #              successful run of the recipe on the compute server at your site.
 # max_time     The maximum amount of time the recipe has to complete. Use the
 #              ISO8601 duration format (see