diff --git a/src/script/ptl-tool.py b/src/script/ptl-tool.py
index dabaf964d39..6ccbc4ee2c6 100755
--- a/src/script/ptl-tool.py
+++ b/src/script/ptl-tool.py
@@ -2,7 +2,8 @@
 
 # README:
 #
-# This tool's purpose is to make it easier to merge PRs into Ceph.
+# This tool's purpose is to make it easier to merge PRs into test branches and
+# into master.
 #
 # Because developers often have custom names for the ceph upstream remote
 # (https://github.com/ceph/ceph.git), You will probably want to export the
@@ -18,9 +19,42 @@
 #
 # ** Here are some basic exmples to get started: **
 #
+# Merging all PRs labeled 'wip-pdonnell-testing' into a new test branch:
+#
+# $ src/script/ptl-tool.py --pr-label wip-pdonnell-testing
+# Adding labeled PR #18805 to PR list
+# Adding labeled PR #18774 to PR list
+# Adding labeled PR #18600 to PR list
+# Will merge PRs: [18805, 18774, 18600]
+# Detaching HEAD onto base: master
+# Merging PR #18805
+# Merging PR #18774
+# Merging PR #18600
+# Checked out new branch wip-pdonnell-testing-20171108.054517
+# Created tag testing/wip-pdonnell-testing-20171108.054517
+#
+#
+# Merging all PRs labeled 'wip-pdonnell-testing' into master:
+#
+# $ src/script/ptl-tool.py --pr-label wip-pdonnell-testing --branch master
+# Adding labeled PR #18805 to PR list
+# Adding labeled PR #18774 to PR list
+# Adding labeled PR #18600 to PR list
+# Will merge PRs: [18805, 18774, 18600]
+# Detaching HEAD onto base: master
+# Merging PR #18805
+# Merging PR #18774
+# Merging PR #18600
+# Checked out branch master
+#
+# Now push to master:
+# $ git push upstream master
+# ...
+#
+#
 # Merging PR #1234567 and #2345678 into a new test branch with a testing label added to the PR:
 #
-# $ src/script/ptl-tool.py --base master 1234567 2345678 --label wip-pdonnell-testing
+# $ src/script/ptl-tool.py 1234567 2345678 --label wip-pdonnell-testing
 # Detaching HEAD onto base: master
 # Merging PR #1234567
 # Labeled PR #1234567 wip-pdonnell-testing
@@ -33,7 +67,7 @@
 #
 # Merging PR #1234567 into master leaving a detached HEAD (i.e. do not update your repo's master branch) and do not label:
 #
-# $ src/script/ptl-tool.py --base master --branch HEAD --merge-branch-name master 1234567
+# $ src/script/ptl-tool.py --branch HEAD --merge-branch-name master 1234567
 # Detaching HEAD onto base: master
 # Merging PR #1234567
 # Leaving HEAD detached; no branch anchors your commits