diff --git a/Modules/FindPython.cmake b/Modules/FindPython.cmake
index 856b9eceab..a6f4bf552b 100644
--- a/Modules/FindPython.cmake
+++ b/Modules/FindPython.cmake
@@ -230,7 +230,7 @@ This module will set the following variables in your project
   The Python preprocessor definitions.
 
 ``Python_DEBUG_POSTFIX``
-  .. versionadded.. 3.30
+  .. versionadded:: 3.30
 
   Postfix of debug python module. This variable can be used to define the
   :prop_tgt:`DEBUG_POSTFIX` target property.
diff --git a/Modules/FindPython2.cmake b/Modules/FindPython2.cmake
index cdb40380ad..bf541eef4d 100644
--- a/Modules/FindPython2.cmake
+++ b/Modules/FindPython2.cmake
@@ -189,7 +189,7 @@ This module will set the following variables in your project
   The Python 2 include directories.
 
 ``Python2_DEBUG_POSTFIX``
-  .. versionadded.. 3.30
+  .. versionadded:: 3.30
 
   Postfix of debug python module. This variable can be used to define the
   :prop_tgt:`DEBUG_POSTFIX` target property.
diff --git a/Modules/FindPython3.cmake b/Modules/FindPython3.cmake
index 2061a27a83..cf93ecbdd0 100644
--- a/Modules/FindPython3.cmake
+++ b/Modules/FindPython3.cmake
@@ -232,7 +232,7 @@ This module will set the following variables in your project
   The Python 3 preprocessor definitions.
 
 ``Python3_DEBUG_POSTFIX``
-  .. versionadded.. 3.30
+  .. versionadded:: 3.30
 
   Postfix of debug python module. This variable can be used to define the
   :prop_tgt:`DEBUG_POSTFIX` target property.