diff --git a/Documentation/config/diff.txt b/Documentation/config/diff.txt
index fdae13a212..1135a62a0a 100644
--- a/Documentation/config/diff.txt
+++ b/Documentation/config/diff.txt
@@ -218,8 +218,6 @@ endif::git-diff[]
 	Set this option to `true` to make the diff driver cache the text
 	conversion outputs.  See linkgit:gitattributes[5] for details.
 
-include::{build_dir}/mergetools-diff.txt[]
-
 `diff.indentHeuristic`::
 	Set this option to `false` to disable the default heuristics
 	that shift diff hunk boundaries to make patches easier to read.
diff --git a/Documentation/config/difftool.txt b/Documentation/config/difftool.txt
index 447c40d85a..6cd47331a9 100644
--- a/Documentation/config/difftool.txt
+++ b/Documentation/config/difftool.txt
@@ -13,6 +13,8 @@ diff.guitool::
 	and requires that a corresponding difftool.<guitool>.cmd variable
 	is defined.
 
+include::{build_dir}/mergetools-diff.txt[]
+
 difftool.<tool>.cmd::
 	Specify the command to invoke the specified diff tool.
 	The specified command is evaluated in shell with the following