diff --git a/Sming/Arch/Esp32/README.rst b/Sming/Arch/Esp32/README.rst
index f40f35557f..aeaf87ac81 100644
--- a/Sming/Arch/Esp32/README.rst
+++ b/Sming/Arch/Esp32/README.rst
@@ -102,7 +102,7 @@ See :component-esp32:`esp32` for further details.
 
 
 IDF versions
-============
+------------
 
 Sming currently supports IDF versions 4.3, 4.4 and 5.0.