docs: English syntax correction (conventional-changelog#3380)

Usage was non-native. Should be either "help your team in adhering", "help your team to adhere", or "help your team adhere." Chose the last option because it's shorter. Sorry I have no citation for this.

Co-authored-by: wydengyre <[email protected]>

Author: matthewleon

docs/README.md

@@ -10,7 +10,7 @@
 
 [![npm latest][2]][3] [![CircleCI][4]][5] <!-- [![AppVeyor][6]][7] -->
 
-`commitlint` helps your team adhering to a commit convention. By supporting npm-installed configurations it makes sharing of commit conventions easy.
+`commitlint` helps your team adhere to a commit convention. By supporting npm-installed configurations it makes sharing of commit conventions easy.
 
 # Getting started