diff --git a/src/runtime/pprof/pprof.go b/src/runtime/pprof/pprof.go
index b05c925ad1..f2cd81adb1 100644
--- a/src/runtime/pprof/pprof.go
+++ b/src/runtime/pprof/pprof.go
@@ -5,7 +5,7 @@
 // Package pprof writes runtime profiling data in the format expected
 // by the pprof visualization tool.
 // For more information about pprof, see
-// http://code.google.com/p/google-perftools/.
+// http://github.com/google/pprof/.
 package pprof
 
 import (