diff --git a/Doc/library/fractions.rst b/Doc/library/fractions.rst
index af6ed76386e..7f6019faf7c 100644
--- a/Doc/library/fractions.rst
+++ b/Doc/library/fractions.rst
@@ -1,6 +1,6 @@
 
 :mod:`fractions` --- Rational numbers
-====================================
+=====================================
 
 .. module:: fractions
    :synopsis: Rational numbers.