diff --git a/Foundation/include/Poco/AbstractEvent.h b/Foundation/include/Poco/AbstractEvent.h
index 88169fa43..886df0e66 100644
--- a/Foundation/include/Poco/AbstractEvent.h
+++ b/Foundation/include/Poco/AbstractEvent.h
@@ -54,7 +54,7 @@ class AbstractEvent
 	/// only.
 	///
 	/// BasicEvent works with a standard delegate. They allow one object to register
-	/// onr or more delegates with an event. In contrast, a PriorityDelegate comes with an attached priority value
+	/// one or more delegates with an event. In contrast, a PriorityDelegate comes with an attached priority value
 	/// and allows one object to register for one priority value one or more delegates. Note that PriorityDelegates
 	/// only work with PriorityEvents:
 	///
diff --git a/MongoDB/src/Database.cpp b/MongoDB/src/Database.cpp
index b9e1e13a7..be4b1518c 100644
--- a/MongoDB/src/Database.cpp
+++ b/MongoDB/src/Database.cpp
@@ -80,9 +80,6 @@ Poco::MongoDB::Document::Ptr Database::ensureIndex(Connection& connection, const
 	insertRequest->documents().push_back(index);
 	connection.sendRequest(*insertRequest);
 
-	insertRequest->documents().push_back(index);
-	connection.sendRequest(*insertRequest);
-
 	return getLastErrorDoc(connection);
 }
 
diff --git a/Net/samples/WebSocketServer/src/WebSocketServer.cpp b/Net/samples/WebSocketServer/src/WebSocketServer.cpp
index 4b8daf28b..440ab7d5d 100644
--- a/Net/samples/WebSocketServer/src/WebSocketServer.cpp
+++ b/Net/samples/WebSocketServer/src/WebSocketServer.cpp
@@ -163,7 +163,7 @@ public:
 			app.logger().information(it->first + ": " + it->second);
 		}
 		
-		if(request.find("Upgrade") != request.end() && request["Upgrade"] == "websocket")
+		if(request.find("Upgrade") != request.end() && Poco::icompare(request["Upgrade"], "websocket") == 0)
 			return new WebSocketRequestHandler;
 		else
 			return new PageRequestHandler;