diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt
index 894d20bb54..07d432988f 100644
--- a/Documentation/git-unpack-objects.txt
+++ b/Documentation/git-unpack-objects.txt
@@ -9,7 +9,7 @@ git-unpack-objects - Unpack objects from a packed archive
 SYNOPSIS
 --------
 [verse]
-'git unpack-objects' [-n] [-q] [-r] [--strict] < <pack-file>
+'git unpack-objects' [-n] [-q] [-r] [--strict] < <packfile>
 
 
 DESCRIPTION
diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
index 812d857370..fc09c63b32 100644
--- a/Documentation/technical/pack-protocol.txt
+++ b/Documentation/technical/pack-protocol.txt
@@ -465,7 +465,7 @@ contain all the objects that the server will need to complete the new
 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 @@ references.
 		      *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