Fix minor spelling mistakes

Author: mwhite-ibm

README.md

@@ -96,7 +96,7 @@ runner_name: "{{ ansible_hostname }}"
 # Will the runner be deployed on Github Enterprise server?
 runner_on_ghes: no
 
-# Custom service name when usign Github Enterprise server
+# Custom service name when using Github Enterprise server
 # DEPRECATED: this variable is deprecated in favor of "runner_on_ghes" and will be removed in release 1.15.
 # service_name: actions.runner._services.{{ runner_name }}.service
 

defaults/main.yml

@@ -47,7 +47,7 @@ runner_name: "{{ ansible_hostname }}"
 # Will the runner be deployed on Github Enterprise server?
 runner_on_ghes: no
 
-# Custom service name when usign Github Enterprise server
+# Custom service name when using Github Enterprise server
 # DEPRECATED: this variable is deprecated in favor of "runner_on_ghes" and will be removed in release 1.15.
 # service_name: actions.runner._services.{{ runner_name }}.service