diff --git a/Documentation/config.txt b/Documentation/config.txt
index ab504eaba2f378..56cfe3e85724f0 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -407,9 +407,7 @@ include::config/sendemail.txt[]
 
 include::config/sequencer.txt[]
 
-showBranch.default::
-	The default set of branches for linkgit:git-show-branch[1].
-	See linkgit:git-show-branch[1].
+include::config/showbranch.txt[]
 
 splitIndex.maxPercentChange::
 	When the split index feature is used, this specifies the
diff --git a/Documentation/config/showbranch.txt b/Documentation/config/showbranch.txt
new file mode 100644
index 00000000000000..e79ecd9ee90a37
--- /dev/null
+++ b/Documentation/config/showbranch.txt
@@ -0,0 +1,3 @@
+showBranch.default::
+	The default set of branches for linkgit:git-show-branch[1].
+	See linkgit:git-show-branch[1].