consistent title of module

dkrenn · dkrenn · commit cd04076827a1 · 2023-08-01T10:00:56.000+02:00
diff --git a/src/sage/combinat/regular_sequence.py b/src/sage/combinat/regular_sequence.py
@@ -1,6 +1,6 @@
 # sage.doctest: optional - sage.combinat sage.modules sage.symbolic
 r"""
-`k`-regular Sequences
+`k`-regular sequences
 
 An introduction and formal definition of `k`-regular sequences can be
 found, for example, on the :wikipedia:`k-regular_sequence` or in
