diff --git a/cmd/compilebench/main.go b/cmd/compilebench/main.go
index 915c8adbba..88900fc00e 100644
--- a/cmd/compilebench/main.go
+++ b/cmd/compilebench/main.go
@@ -28,6 +28,9 @@
 //	-cpuprofile file
 //		Write a CPU profile of the compiler to file.
 //
+//	-go path
+//		Path to "go" command (default "go").
+//
 //	-memprofile file
 //		Write a memory profile of the compiler to file.
 //
@@ -37,12 +40,15 @@
 //	-obj
 //		Report object file statistics.
 //
-//  -pkg
+//	-pkg pkg
 //		Benchmark compiling a single package.
 //
 //	-run regexp
 //		Only run benchmarks with names matching regexp.
 //
+//	-short
+//		Skip long-running benchmarks.
+//
 // Although -cpuprofile and -memprofile are intended to write a
 // combined profile for all the executed benchmarks to file,
 // today they write only the profile for the last benchmark executed.