diff --git a/doc/go1.5.html b/doc/go1.5.html
index 4e5832db3a..ecbd4c549e 100644
--- a/doc/go1.5.html
+++ b/doc/go1.5.html
@@ -540,7 +540,7 @@ This acts as a custom replacement for go tool.
The test subcommand now has a -count
flag to specify how many times to run each test and benchmark.
The testing package
-does the work here, through by the -test.count flag.
+does the work here, through the -test.count flag.