Update Readme.md (#7)

Fixed type for aspnet:AllowConcurrentRequestsPerSession

Author: olsh

Readme.md

@@ -21,7 +21,7 @@ Information on contributing to this repo is in the [Contributing Guide](CONTRIBU
 
 2. appSetting *aspnet:AllowConcurrentRequestsPerSession*
 
-    *How to use* - Add ```<add key="aspnet:AllowConcurrentRequestsPerSession" value="[int]"/>``` into web.config under appSettings section.
+    *How to use* - Add ```<add key="aspnet:AllowConcurrentRequestsPerSession" value="[bool]"/>``` into web.config under appSettings section.
 
     *Description* - If multiple requests with same sessionid try to acquire sessionstate concurrently, asp.net only allows one request to get the sessionstate. With this setting, asp.net will allow multiple requests with same sessionid to acquire the sessionstate, but it doesn't guarantee thread safe of accessing sessionstate.
 
@@ -78,4 +78,4 @@ Information on contributing to this repo is in the [Contributing Guide](CONTRIBU
 
 11. *partitionKey* - The partition key name of the collection
 
-12. *partitionNumUsedByProvider* - the number of partition can be used for sessionstate
+12. *partitionNumUsedByProvider* - the number of partition can be used for sessionstate