Documentation: minor grammatical fixes in git-cat-file.txt

Signed-off-by: NDavid J. Mellor <dmellor@whistlingcat.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

Documentation/git-cat-file.txt

@@ -3,7 +3,7 @@ git-cat-file(1)
 
 NAME
 ----
-git-cat-file - Provide content or type/size information for repository objects
+git-cat-file - Provide content or type and size information for repository objects
 
 
 SYNOPSIS
@@ -14,19 +14,19 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-In the first form, provides content or type of objects in the repository. The
-type is required unless '-t' or '-p' is used to find the object type, or '-s'
-is used to find the object size.
+In its first form, the command provides the content or the type of an object in
+the repository. The type is required unless '-t' or '-p' is used to find the
+object type, or '-s' is used to find the object size.
 
-In the second form, a list of object (separated by LFs) is provided on stdin,
-and the SHA1, type, and size of each object is printed on stdout.
+In the second form, a list of objects (separated by linefeeds) is provided on
+stdin, and the SHA1, type, and size of each object is printed on stdout.
 
 OPTIONS
 -------
 <object>::
 	The name of the object to show.
 	For a more complete list of ways to spell object names, see
-	"SPECIFYING REVISIONS" section in linkgit:git-rev-parse[1].
+	the "SPECIFYING REVISIONS" section in linkgit:git-rev-parse[1].
 
 -t::
 	Instead of the content, show the object type identified by
@@ -56,8 +56,8 @@ OPTIONS
 	stdin. May not be combined with any other options or arguments.
 
 --batch-check::
-	Print the SHA1, type, and size of each object provided on stdin. May not be
-	combined with any other options or arguments.
+	Print the SHA1, type, and size of each object provided on stdin. May not
+	be combined with any other options or arguments.
 
 OUTPUT
 ------