Tweak CONTRIBUTING.md

Signed-off-by: Cole Miller <[email protected]>

CONTRIBUTING.md

@@ -1,10 +1,9 @@
 # Contributing to dqlite
 
-The dqlite team welcomes external contributions via GitHub pull
-requests. To get your PR merged, you need to sign [Canonical's
-contributor license agreement (CLA)][cla]. This is straightforward to
-do once you have an account on [Launchpad][lp]; if you don't, you can
-create one [here][signup].
+The dqlite team welcomes contributions via GitHub pull requests. To get your PR
+merged, you need to sign [Canonical's contributor license agreement
+(CLA)][cla]. This is straightforward to do once you have an account on
+[Launchpad][lp]; if you don't, you can create one [here][signup].
 
 [cla]: https://ubuntu.com/legal/contributors
 [lp]: https://launchpad.net