Update README.md

README.md

@@ -24,7 +24,7 @@ The supervision and failover relies on the contributions of
 - *global unsubscribe* operation: an unsubscribe operation that applies *globally* for an entire client. An educated client shall
   send a global unsubscribe request when closing (specifying its *client id*). A client that crashes or unbehaving at shutdown
   will simply stop sending the *heartbeat* to the *ca-proxy*, that will eventually globally unsubscribe it after a while.
-  Global unsubscriptions save a lot of time and bandwidth: imagine a client is monitor one thousand sources: thanks to a global 
+  Global unsubscriptions save a lot of time and bandwidth: imagine a client monitoring one thousand sources: thanks to a global 
   unsubscribe they will be stopped at once. Without this option, *per source* dedicated unsubscribe requests should be used.
 
 ## Assumptions