Merge pull request #6582 from infofromca/typo

Fixed a typo in DefaultOrchardShell.cs

src/Orchard/Environment/DefaultOrchardShell.cs

@@ -108,7 +108,7 @@ namespace Orchard.Environment {
                     throw;
                 }
 
-                Logger.Error(ex, "An unexcepted error occured while terminating the Shell");
+                Logger.Error(ex, "An unexpected error occured while terminating the Shell");
             }
         }
     }