mergify: fix notes section

Author: 0xc0170

.mergify.yml

@@ -15,11 +15,11 @@
 # limitations under the License.
 
 # Mergify follow our workflow: https://os.mbed.com/docs/mbed-os/latest/contributing/workflow.html
-# Inital state is done by internal reviewer bot
+# Inital state (needs: review) is done by internal reviewer bot
 
-# Notes: conditions do not check if label is already there if we add or remote, this is to limit Github API access to
-# minimum. If a label is already there and we add it again, nothing bad happens (we gain 1 less access).
-# For instance for needs: work if CI failed, we just add a label as action.
+# Notes: conditions do not check if label is already there if we add or remove later, this is to limit Github API access to
+# minimum. If a label is already there and we add it again, nothing should happen (we do 1 less access to Github).
+# For instance for needs: work if CI failed, we just add a label as action, don't check if needs: works is already there
 
 pull_request_rules:
   # From needs: review to needs: work - reviewers request