Merge branch 'sn/doc-update-index-assume-unchanged'

* sn/doc-update-index-assume-unchanged:
  Documentation/git-update-index: refer to 'ls-files'
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index d393129..a3081f4 100644
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -264,7 +264,9 @@
 "assume unchanged" bit, either before or after you modify them.
 
 In order to set "assume unchanged" bit, use `--assume-unchanged`
-option.  To unset, use `--no-assume-unchanged`.
+option.  To unset, use `--no-assume-unchanged`. To see which files
+have the "assume unchanged" bit set, use `git ls-files -v`
+(see linkgit:git-ls-files[1]).
 
 The command looks at `core.ignorestat` configuration variable.  When
 this is true, paths updated with `git update-index paths...` and
@@ -363,7 +365,8 @@
 SEE ALSO
 --------
 linkgit:git-config[1],
-linkgit:git-add[1]
+linkgit:git-add[1],
+linkgit:git-ls-files[1]
 
 GIT
 ---