Update releasing.md

Author: ianegordon

contributing/releasing.md

@@ -11,9 +11,9 @@ tested, and then merged into `stable`, which serves as the stable "vetted" branc
 
 ### Check for issues that might affect the release process
 
-Occasionally there are temporary issues with the release process, check the [`release`
-tag](https://github.com/material-components/material-components-ios/labels/is%3ABlocking%20next%20release) for
-anything that might be affecting the release.
+Occasionally there are temporary issues with the release process, check the [`Blocking Release`
+label](https://github.com/material-components/material-components-ios/labels/is%3ABlocking%20next%20release) for
+any open issues that might affect the release.
 
 ## Cutting and testing the release