diff --git a/docs/notes/styleguide.rst b/docs/notes/styleguide.rst
index 366c1ae..0f37d4f 100644
--- a/docs/notes/styleguide.rst
+++ b/docs/notes/styleguide.rst
@@ -76,6 +76,10 @@ Wrap text lines at 78 characters. Where necessary, lines may exceed 78
 characters, especially if wrapping would make the source text more difficult
 to read.
 
+Use of the serial comma (also known as the Oxford comma) is 100% non-optional.
+Any attempt to submit content with a missing serial comma will result in
+permanent banishment from this project, due to complete and total lack
+of taste.
 
 Code Examples
 -------------