diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt
index 9951028..1a7ca73 100644
--- a/runtime/doc/diff.txt
+++ b/runtime/doc/diff.txt
@@ -1,4 +1,4 @@
-*diff.txt*      For Vim version 8.0.  Last change: 2017 Sep 02
+*diff.txt*      For Vim version 8.0.  Last change: 2017 Sep 26
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -10,7 +10,7 @@
 
 The basics are explained in section |08.7| of the user manual.
 
-1. Starting diff mode		|vimdiff|
+1. Starting diff mode		|start-vimdiff|
 2. Viewing diffs		|view-diffs|
 3. Jumping to diffs		|jumpto-diffs|
 4. Copying diffs		|copy-diffs|
@@ -19,7 +19,7 @@
 {not in Vi}
 
 ==============================================================================
-1. Starting diff mode
+1. Starting diff mode					*start-vimdiff*
 
 The easiest way to start editing in diff mode is with the "vimdiff" command.
 This starts Vim as usual, and additionally sets up for viewing the differences