Fix typo in readme

Author: saad-ali

README.md

@@ -85,7 +85,7 @@ Install CSI Driver:
 
 * `--leader-election-namespace <namespace>`: The namespace where the leader election resource exists. Defaults to the pod namespace if not set.
 
-* `--metrics-address`: The TCP network address address where the prometheus metrics endpoint will run (example: `:8080` which corresponds to port 8080 on local host). The default is empty string, which means metrics endpoint is disabled.
+* `--metrics-address`: The TCP network address where the prometheus metrics endpoint will run (example: `:8080` which corresponds to port 8080 on local host). The default is empty string, which means metrics endpoint is disabled.
 
 * `--metrics-path`: The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.