Change the br action to branch to be more explicit. (#6678)

plugins/jira/README.md

@@ -21,6 +21,7 @@ jira new        # opens a new issue
 jira dashboard  # opens your JIRA dashboard
 jira reported [username]  # queries for issues reported by a user
 jira assigned [username]  # queries for issues assigned to a user
+jira branch     # opens an existing issue matching the current branch name
 jira ABC-123    # opens an existing issue
 jira ABC-123 m  # opens an existing issue for adding a comment
 ```

plugins/jira/jira.plugin.zsh

@@ -60,7 +60,7 @@ function jira() {
   else
     # Anything that doesn't match a special action is considered an issue name
     # but `branch` is a special case that will parse the current git branch
-    if [[ "$action" == "br" ]]; then
+    if [[ "$action" == "branch" ]]; then
       local issue_arg=$(git rev-parse --abbrev-ref HEAD)
       local issue="${jira_prefix}${issue_arg}"
     else