diff --git a/doc/source/manual/rtl.rst b/doc/source/manual/rtl.rst
index a0432aad..a19e6fca 100644
--- a/doc/source/manual/rtl.rst
+++ b/doc/source/manual/rtl.rst
@@ -147,7 +147,7 @@ templates are similar. ::
 
 The above sequential template is the most commonly used when
 writing MyHDL.  The following is also used but the reset condition
-and values are explicitly stated.
+and values are explicitly stated. ::
 
     def top(<parameters>, clock, ..., reset, ...):
         ...