patchDocumentation/gitrepository-layout.txt: enhance discussion of objects/[0-9a-f][0-9a-f]

diff --git a/Documentation/gitrepository-layout.txt b/Documentation/gitrepository-layout.txt
index 03c52ff..bf900df 100644
--- a/Documentation/gitrepository-layout.txt
+++ b/Documentation/gitrepository-layout.txt
@@ -46,6 +46,4 @@ objects/[0-9a-f][0-9a-f]::
-	Traditionally, each object is stored in its own file.
-	They are split into 256 subdirectories using the first
-	two letters from its object name to keep the number of
-	directory entries `objects` directory itself needs to
-	hold.  Objects found here are often called 'unpacked'
-	(or 'loose') objects.
+	Each object is stored in its own file. They are split into 256
+	subdirectories to keep directory sizes down. Example: object
+	92b35d66... is stored in .git/object/92/b35d66... Objects
+	found here are often called 'unpacked' (or 'loose') objects.