Merge pull request App-vNext#992 from james-2001/944_RetryForever_Doc…

…umentation_improvment

App-vNext#944- Added to readme explaining waitand/retryforever is not actually…

README.md

@@ -187,6 +187,8 @@ Policy
   });
 ```
 
+`RetryForever` does not actually retry forever; it will retry up to `int.MaxValue` (2147483647) times. Depending on what is done in the policy delegate this may take an exceedingly long time, but the policy will eventually hit `int.MaxValue` retries, get the last exception and stop retrying.
+
 #### Wait and retry
 
 ```csharp
@@ -323,6 +325,8 @@ Policy
     });
 ```
 
+Similarly to `RetryForever`, `WaitAndRetryForever` only actually retries `int.MaxValue` times.
+
 If all retries fail, a retry policy rethrows the final exception back to the calling code.
 
 For more depth see also: [Retry policy documentation on wiki](https://github.com/App-vNext/Polly/wiki/Retry).