Structurally replace gitflow by git-flow, as a true git extension.
diff --git a/git-flow b/git-flow
index 04868aa..bfd033b 100755
--- a/git-flow
+++ b/git-flow
@@ -1,7 +1,7 @@
 #!/bin/sh
 #
-# gitflow -- A collection of Git wrapper scripts to provide high-level
-# repository operations for Vincent Driessen's branching model:
+# git-flow -- A collection of Git extensions to provide high-level
+# repository operations for Vincent Driessen's branching model.
 #
 # Original blog post presenting this model is found at:
 #    http://nvie.com/archives/323
@@ -34,7 +34,7 @@
 
 usage() {
 	. "$GITFLOW_DIR/git-flow-version"
-	echo "gitflow, version $GITFLOW_VERSION"
+	echo "git-flow, version $GITFLOW_VERSION"
 	echo
 	echo "usage: git flow <cmd> <type> <args>"
 	echo "       git flow init [<url>]"