Clarify the direction requests go

src/cpp/ripple/HTTPRequest.h

@@ -16,7 +16,7 @@ enum HTTPRequestAction
 };
 
 class HTTPRequest
-{ // an HTTP request in progress
+{ // an HTTP request we are handling from a client
 protected:
 
 	enum state
@@ -58,4 +58,4 @@ public:
 	int getDataSize()			{ return iDataSize; }
 };
 
-#endif
+#endif