diff --git a/src/cmd/go/alldocs.go b/src/cmd/go/alldocs.go
index 825de1e64a8..8410731a28a 100644
--- a/src/cmd/go/alldocs.go
+++ b/src/cmd/go/alldocs.go
@@ -1599,6 +1599,10 @@
 // cross-compiled programs when a simulator or other execution method is
 // available.
 //
+// By default, 'go run' compiles the binary without generating the information
+// used by debuggers, to reduce build time. To include debugger information in
+// the binary, use 'go build'.
+//
 // The exit status of Run is not the exit status of the compiled binary.
 //
 // For more about build flags, see 'go help build'.
diff --git a/src/cmd/go/internal/run/run.go b/src/cmd/go/internal/run/run.go
index 312b49ef5df..35c57833730 100644
--- a/src/cmd/go/internal/run/run.go
+++ b/src/cmd/go/internal/run/run.go
@@ -52,6 +52,10 @@ for example 'go_js_wasm_exec a.out arguments...'. This allows execution of
 cross-compiled programs when a simulator or other execution method is
 available.
 
+By default, 'go run' compiles the binary without generating the information
+used by debuggers, to reduce build time. To include debugger information in
+the binary, use 'go build'.
+
 The exit status of Run is not the exit status of the compiled binary.
 
 For more about build flags, see 'go help build'.