DOC: note about creating recipes

creating_fsl_conda_recipes.md

@@ -11,6 +11,13 @@ repository for your project (recommended), or you can create a conda recipe by
 hand.
 
 
+> **Note:** It is strongly recommended to use the `create_conda_recipe.py`
+> script to generate your recipe, or to use an existing FSL conda recipe
+> as the basis for your recipe. The automatic CI rules assume that recipes
+> adhere to a particular format - if the structure of your recipe deviates
+> from this, it may not be able to be automatically updated.
+
+
 Conda recipes for all FSL projects, and some internally packaged/managed
 third-party dependencies, are hosted in the GitLab
 [fsl/conda](https://git.fmrib.ox.ac.uk/fsl/conda/) namespace. The name of a