Update README.md

retry exp and defaults added

README.md

@@ -72,8 +72,8 @@ For more information, see the [wiki](https://github.com/Azure/azure-storage-fuse
      * [OPTIONAL] **--ca-cert-file=/etc/ssl/certs/proxy.pem** : If external network is only available through a proxy server, this parameter should specify the proxy pem certificate otherwise blobfuse cannot connect to the storage account. This option is only available from version 1.3.7
      * [OPTIONAL] **--httpsproxy=http://10.1.22.4:8080/** : If external network is only available through a proxy server, this parameter should specify the proxy server along with the port which is 8080 unless there are some deviations from normal port allocation numbers. This option is only available from version 1.3.7
      * [OPTIONAL] **--httpproxy=http://10.1.22.4:8080/** : Only used when https is turned off using --use-https=false, and if external network is only available through a proxy server, this parameter should specify the proxy server along with the port which is 8080 unless there are some deviations from normal port allocation numbers. This option is only available from version 1.3.7
-     * [OPTIONAL] **--max-retry=26** : In case of retryable failure from azure for any operation, number of maximum retries that blobfuse can do. 
-     * [OPTIONAL] **--max-retry-interval-in-seconds=60** : When a retry is attempted, maximum number of seconds allowed between two retries.
+     * [OPTIONAL] **--max-retry=26** : Maximum retry count if the failure codes are retryable. Default count is 26.
+     * [OPTIONAL] **--max-retry-interval-in-seconds=60** : Maximum number of seconds between 2 retries, retry interval is exponentially increased but it can never exceed this value. Default naximum interval is 60 seconds.
 
 ### Valid authentication setups: