Typo in comment

hub.go

@@ -135,7 +135,7 @@ func (h *Hub) Run() {
 	}
 }
 
-// Clear removes every all elements from the buffer
+// Clear removes all elements from the buffer
 func (h *Hub) clear() {
 	buf := h.circbuf
 	for i := 0; i < buf.Len(); i++ {