Fix secondary title

saadlu · saadlu · commit d18eb2757f31 · 2017-02-21T20:42:45.000Z
diff --git a/book/10-git-internals/sections/objects.asc b/book/10-git-internals/sections/objects.asc
@@ -329,7 +329,7 @@ $ find .git/objects -type f
 If you follow all the internal pointers, you get an object graph something like this:
 
 .All the reachable objects in your Git directory.
-image::images/data-model-3.png[All the objects in your Git directory.]
+image::images/data-model-3.png[All the reachable objects in your Git directory.]
 
 ==== Object Storage
 
