diff --git a/docs/about/Removed.rst b/docs/about/Removed.rst
index 174bd1185..efac2f29c 100644
--- a/docs/about/Removed.rst
+++ b/docs/about/Removed.rst
@@ -154,7 +154,7 @@ the Ruby library causes when used as an embedded language.
 .. _show_unit_syndromes:
 
 show_unit_syndromes
-====
+===================
 Replaced with a GUI version: `gui/unit-syndromes`.
 
 .. _warn-stuck-trees: