Merge pull request react-bootstrap#1095 from react-bootstrap/maintain…

…ing-cleanup

Grammar cleanup, and add additional prerelease cli example

MAINTAINING.md

@@ -71,7 +71,7 @@ publish` BY ITSELF__. The release script will do that. We want to prevent issues
 like [#325](https://github.com/react-bootstrap/react-bootstrap/issues/325) and
 [#218](https://github.com/react-bootstrap/react-bootstrap/issues/218) from ever
 happening again. In order to run the release script you will need permission to
-publish to the package to npm. Those with this permission are in the [publishers
+publish the package to npm. Those with this permission are in the [publishers
 team](https://github.com/orgs/react-bootstrap/teams/publishers)
 
 *Note: The publishers team does exist. If you see 404 that means you just have no permissions to publish.*
@@ -82,7 +82,8 @@ Example usages of the release script:
 $ ./tools/release patch
 $ ./tools/release minor
 $ ./tools/release major
-$ ./tools/release minor --preid beta
+$ ./tools/release minor --preid beta   Use both bump and preid for first prerelease
+$ ./tools/release --preid beta         For follow on prereleases of the next version just use this
 ```
 
 Note that the above commands will bump the [semver](http://semver.org) version