diff --git a/vlib/os/os.v b/vlib/os/os.v
index dc61501cedac39..5fda75b42e6adf 100644
--- a/vlib/os/os.v
+++ b/vlib/os/os.v
@@ -337,7 +337,7 @@ pub fn input_opt(prompt string) ?string {
 }
 
 // input returns a one-line string from stdin, after printing a prompt.
-// Returns `EOF` in case of an error (end of input).
+// Returns `<EOF>` in case of an error (end of input).
 pub fn input(prompt string) string {
 	res := input_opt(prompt) or { return '<EOF>' }
 	return res