docs: update README.md for hg (#18)

Stage doesn't exist in Mercurial. Also the default branch is 'default'
prettier · Feb 11, 2018 · 741d8fc · 741d8fc
1 parent fca1264
commit 741d8fc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -70,13 +70,13 @@ In `package.json`'s `"scripts"` section, add:
 
 ## CLI Flags
 
-### `--staged`
+### `--staged` (only git)
 
 Pre-commit mode. Under this flag only staged files will be formatted, and they will be re-staged after formatting.
 
 ### `--branch`
 
-When not in `staged` pre-commit mode, use this flag to compare changes with the specified branch. Defaults to `master` branch.
+When not in `staged` pre-commit mode, use this flag to compare changes with the specified branch. Defaults to `master` (git) / `default` (hg) branch.
 
 <!-- Undocumented = Unsupported :D