Merge branch 'ps/doc-packfile-vs-pack-file' into maint

Doc consistency updates.

* ps/doc-packfile-vs-pack-file:
  doc: fix inconsistent spelling of "packfile"
  pack-protocol.txt: fix insconsistent spelling of "packfile"
  git-unpack-objects.txt: fix inconsistent spelling of "packfile"
  git-verify-pack.txt: fix inconsistent spelling of "packfile"
diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt
index 12cb108..07d4329 100644
--- a/Documentation/git-unpack-objects.txt
+++ b/Documentation/git-unpack-objects.txt
@@ -9,7 +9,7 @@
 SYNOPSIS
 --------
 [verse]
-'git unpack-objects' [-n] [-q] [-r] [--strict] < <pack-file>
+'git unpack-objects' [-n] [-q] [-r] [--strict] < <packfile>
 
 
 DESCRIPTION
@@ -19,8 +19,8 @@
 "loose" (one object per file) format.
 
 Objects that already exist in the repository will *not* be unpacked
-from the pack-file.  Therefore, nothing will be unpacked if you use
-this command on a pack-file that exists within the target repository.
+from the packfile.  Therefore, nothing will be unpacked if you use
+this command on a packfile that exists within the target repository.
 
 See linkgit:git-repack[1] for options to generate
 new packs and replace existing ones.
diff --git a/Documentation/git-verify-pack.txt b/Documentation/git-verify-pack.txt
index 526ba7b..61ca6d0 100644
--- a/Documentation/git-verify-pack.txt
+++ b/Documentation/git-verify-pack.txt
@@ -40,7 +40,7 @@
 -------------
 When specifying the -v option the format used is:
 
-	SHA-1 type size size-in-pack-file offset-in-packfile
+	SHA-1 type size size-in-packfile offset-in-packfile
 
 for objects that are not deltified in the pack, and
 
diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
index 462e206..fc09c63 100644
--- a/Documentation/technical/pack-protocol.txt
+++ b/Documentation/technical/pack-protocol.txt
@@ -465,7 +465,7 @@
 references.
 
 ----
-  update-request    =  *shallow ( command-list | push-cert ) [pack-file]
+  update-request    =  *shallow ( command-list | push-cert ) [packfile]
 
   shallow           =  PKT-LINE("shallow" SP obj-id LF)
 
@@ -491,7 +491,7 @@
 		      *PKT-LINE(gpg-signature-lines LF)
 		      PKT-LINE("push-cert-end" LF)
 
-  pack-file         = "PACK" 28*(OCTET)
+  packfile          = "PACK" 28*(OCTET)
 ----
 
 If the receiving end does not support delete-refs, the sending end MUST
@@ -502,11 +502,11 @@
 sent, command-list MUST NOT be sent; the commands recorded in the
 push certificate is used instead.
 
-The pack-file MUST NOT be sent if the only command used is 'delete'.
+The packfile MUST NOT be sent if the only command used is 'delete'.
 
-A pack-file MUST be sent if either create or update command is used,
+A packfile MUST be sent if either create or update command is used,
 even if the server already has all the necessary objects.  In this
-case the client MUST send an empty pack-file.   The only time this
+case the client MUST send an empty packfile.   The only time this
 is likely to happen is if the client is creating
 a new branch or a tag that points to an existing obj-id.