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-rw-r--r--Documentation/git-diff.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt
index 481a33c..db2c6c2 100644
--- a/Documentation/git-diff.txt
+++ b/Documentation/git-diff.txt
@@ -64,8 +64,9 @@ forced by --no-index.
Just in case if you are doing something exotic, it should be
noted that all of the <commit> in the above description, except
-for the last two forms that use ".." notations, can be any
-<tree-ish>.
+in the last two forms that use ".." notations, can be any
+<tree>. The third form ('git diff <commit> <commit>') can also
+be used to compare two <blob> objects.
For a more complete list of ways to spell <commit>, see
"SPECIFYING REVISIONS" section in linkgit:gitrevisions[7].