diff --git a/docs/structured_data.rst b/docs/structured_data.rst
index 809d33fb6..53f1f6508 100644
--- a/docs/structured_data.rst
+++ b/docs/structured_data.rst
@@ -179,8 +179,8 @@ There is an execption. That what we call the short-hand declaration.
 
         Use shorthand notation whenever possible. This makes the file easier to read.
 
-Versioned
----------
+Versioned format
+----------------
 
 The format can evolve. This means that parameters can be added, removed, or modified.
 When writing structured data, you must always specify the format version.