tree-diff: don't access hash of NULL object_id pointer

diff --git a/Documentation/gitrepository-layout.txt b/Documentation/gitrepository-layout.txt
index 577ee844e0ed09e9f0339de55cf14a29ca7bdab2..f51ed4e37cd3fad80bf855e6217906f094f894fb 100644 (file)
--- a/Documentation/gitrepository-layout.txt
+++ b/Documentation/gitrepository-layout.txt
@@ -177,7 +177,7 @@ sharedindex.<SHA-1>::
 info::
        Additional information about the repository is recorded
        in this directory. This directory is ignored if $GIT_COMMON_DIR
-       is set and "$GIT_COMMON_DIR/index" will be used instead.
+       is set and "$GIT_COMMON_DIR/info" will be used instead.
 
 info/refs::
        This file helps dumb transports discover what refs are
@@ -289,4 +289,4 @@ link:user-manual.html[The Git User's Manual]
 
 GIT
 ---
-Part of the linkgit:git[1] suite.
+Part of the linkgit:git[1] suite