Update README.md

Author: thiagowfx

README.md

@@ -3,7 +3,7 @@
 [![Pre-commit](https://github.com/thiagowfx/pancake/workflows/Pre-commit/badge.svg)](https://github.com/thiagowfx/pancake/actions/workflows/pre-commit.yml)
 [![Pre-commit auto-update](https://github.com/thiagowfx/pancake/workflows/Pre-commit%20auto-update/badge.svg)](https://github.com/thiagowfx/pancake/actions/workflows/pre-commit-autoupdate.yml)
 
-A potpourri of sweet ingredients
+A potpourri of sweet ingredients.
 
 ## Philosophy