Merge pull request #105 from petsuter/patch-1

"in the a project" should be "in a project"

Author: schacon

book/10-git-internals/sections/objects.asc

@@ -122,7 +122,7 @@ The next type we'll look at is the tree, which solves the problem of storing the
 Git stores content in a manner similar to a UNIX filesystem, but a bit simplified.
 All the content is stored as tree and blob objects, with trees corresponding to UNIX directory entries and blobs corresponding more or less to inodes or file contents.
 A single tree object contains one or more tree entries, each of which contains a SHA-1 pointer to a blob or subtree with its associated mode, type, and filename.
-For example, the most recent tree in the a project may look something like this:
+For example, the most recent tree in a project may look something like this:
 
 [source,console]
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