Fix typo: my -> may (#758)

examples/config.yml

@@ -58,7 +58,7 @@ lighthouse:
     #"10.0.0.0/8": false
     #"10.42.42.0/24": true
 
-  # EXPERIMENTAL: This option my change or disappear in the future.
+  # EXPERIMENTAL: This option may change or disappear in the future.
   # Optionally allows the definition of remote_allow_list blocks
   # specific to an inside VPN IP CIDR.
   #remote_allow_ranges: