diff --git a/docs/enzymes.rst b/docs/enzymes.rst
index 62ce46f5ad6437210ac2ac102fefb4b206bdbf2b..a9ef63abca24a8571e6511fe7764d17d0f4e3ee6 100644
--- a/docs/enzymes.rst
+++ b/docs/enzymes.rst
@@ -870,7 +870,7 @@ More information: https://web.expasy.org/peptide_cutter/peptidecutter_enzymes.ht
 .. _asp-n2:
 
 Asp-N Endopeptidase
-.....
+...................
 
 Asp-N Sequencing Grade preferentially cleaves before D (`P1'` )