Updated typo in one header (Pperator --> Operator) (dotnet#2522)

Author: amoghnatu

docs/framework/data/adonet/ef/connection-strings.md

@@ -101,7 +101,7 @@ Metadata=datadir\metadata\
 Metadata=.\  
 ```  
 
-## Support for the |DataDirectory| Substitution String and the Web Application Root Pperator (~)  
+## Support for the |DataDirectory| Substitution String and the Web Application Root Operator (~)  
  `DataDirectory` and the ~ operator are used in the <xref:System.Data.EntityClient.EntityConnection.ConnectionString%2A>as part of the `Metadata` and `Provider Connection String` keywords. The <xref:System.Data.EntityClient.EntityConnection> forwards the `DataDirectory` and the ~ operator to <xref:System.Data.Metadata.Edm.MetadataWorkspace> and the store provider, respectively.  
 
 |Term|Description|  
@@ -121,4 +121,4 @@ Metadata=.\
  [Working with Data Providers](../../../../../docs/framework/data/adonet/ef/working-with-data-providers.md)   
  [Deployment Considerations](../../../../../docs/framework/data/adonet/ef/deployment-considerations.md)   
  [Managing Connections and Transactions](http://msdn.microsoft.com/en-us/b6659d2a-9a45-4e98-acaa-d7a8029e5b99)   
- [Connection Strings](../../../../../docs/framework/data/adonet/connection-strings.md)
+ [Connection Strings](../../../../../docs/framework/data/adonet/connection-strings.md)