git-branch.md: various fixes (no content change)

- changed token syntax to match project guidelines
- added tokens to the rename example
- moved rename example to before the delete example
- reword some descriptions for clarity
- include "git" in the command description

pages/common/git-branch.md

@@ -1,23 +1,23 @@
 # git branch
 
-> Main command for working with branches.
+> Main git command for working with branches.
 
 - List local branches. The current branch is highlighted by `*`:
 
 `git branch`
 
-- List all local and remote branches:
+- List all branches (local and remote):
 
 `git branch -a`
 
-- Create new branch based on current branch:
+- Create new branch based on the current commit:
 
-`git branch {{BRANCH-NAME}}`
+`git branch {{branch_name}}`
 
-- Delete a local branch:
+- Rename a branch (must not have it checked out to do this):
 
-`git branch -d {{BRANCH-NAME}}`
+`git branch -m {{old_branch_name}} {{new_branch_name}}`
 
-- Move/Rename a branch:
+- Delete a local branch:
 
-`git branch -m`
+`git branch -d {{branch_name}}`