diff --git a/rtc_base/asyncresolverinterface.h b/rtc_base/asyncresolverinterface.h
index 5b2303f4d8..f3df884249 100644
--- a/rtc_base/asyncresolverinterface.h
+++ b/rtc_base/asyncresolverinterface.h
@@ -22,9 +22,12 @@ class AsyncResolverInterface {
   AsyncResolverInterface();
   virtual ~AsyncResolverInterface();
 
-  // Start address resolve process.
+  // Start address resolution of the hostname in |addr|.
   virtual void Start(const SocketAddress& addr) = 0;
-  // Returns top most resolved address of |family|
+  // Returns true iff the address from |Start| was successfully resolved.
+  // If the address was successfully resolved, sets |addr| to a copy of the
+  // address from |Start| with the IP address set to the top most resolved
+  // address of |family| (|addr| will have both hostname and the resolved ip).
   virtual bool GetResolvedAddress(int family, SocketAddress* addr) const = 0;
   // Returns error from resolver.
   virtual int GetError() const = 0;