src/runtime/debug/mod.go | 1 +

diff --git a/src/runtime/debug/mod.go b/src/runtime/debug/mod.go
index a4705605b859a1b975b59b5a5f19feed5b4fc85e..764fe6a431c500045d58a0fb82084258cfa724f3 100644
--- a/src/runtime/debug/mod.go
+++ b/src/runtime/debug/mod.go
@@ -77,6 +77,7 @@ //   - CGO_CFLAGS: the effective CGO_CFLAGS environment variable
 //   - CGO_CPPFLAGS: the effective CGO_CPPFLAGS environment variable
 //   - CGO_CXXFLAGS:  the effective CGO_CXXFLAGS environment variable
 //   - CGO_LDFLAGS: the effective CGO_LDFLAGS environment variable
+//   - DefaultGODEBUG: the effective GODEBUG settings
 //   - GOARCH: the architecture target
 //   - GOAMD64/GOARM/GO386/etc: the architecture feature level for GOARCH
 //   - GOOS: the operating system target