diff --git a/Readme.md b/Readme.md
index 8371924..448eb15 100644
--- a/Readme.md
+++ b/Readme.md
@@ -156,29 +156,30 @@ Outputs a repo summary:
 	... added '*.o'
 	... added '*.log'
 
-## git delete-branch <name>
+## git-delete-branch <name>
 
  Deletes local and remote branch _name_.
 
     $ git delete-branch integration
 
-## git delete-tag <name>
+## git-delete-tag <name>
 
  Deletes local and remote tag _name_.
 
     $ git delete-tag 0.0.1
 
-## git fresh-branch <name>
+## git-fresh-branch <name>
 
  Creates empty local branch _name_.
 
     $ git fresh-branch docs
 
-## git graft <from-branch> <to-branch>
+## git-graft <src-branch> <dest-branch>
 
- Merge commits _from-branch_ into _to-branch_, then branch-deletes _from-branch_.
+ Merge commits from _src-branch_ into _dest-branch_ which defaults to _master_.
 
-    $ git graft new_feature master
+    $ git graft new_feature dev
+    $ git graft new_feature
 
 ## git-changelog
 
diff --git a/bin/git-graft b/bin/git-graft
index 568766c..ad212f7 100755
--- a/bin/git-graft
+++ b/bin/git-graft
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-test -z $1 && echo "foreign branch required." && exit 1
-test -z $2 && echo "merge branch required." && exit 1
+test -z $1 && echo "source branch required." && exit 1
+src=$1
+dst=${2-master}
 
-git checkout $2 \
-  && git merge --no-ff $1 \
-  && git delete-branch $1 
\ No newline at end of file
+git checkout $dst \
+  && git merge --no-ff $src \
+  && git branch -d $src
\ No newline at end of file