diff --git a/src/dosbox.cpp b/src/dosbox.cpp
index d550395c..672afbdd 100644
--- a/src/dosbox.cpp
+++ b/src/dosbox.cpp
@@ -675,7 +675,7 @@ void DOSBOX_Init(void) {
 	);
 	MSG_Add("CONFIGFILE_INTRO",
 	        "# This is the configurationfile for DOSBox %s.\n"
-	        "# Lines starting with a # are commentlines.\n"
+	        "# Lines starting with a # are commentlines and are ignored by DOSBox.\n"
 	        "# They are used to (briefly) document the effect of each option.\n");
 	MSG_Add("CONFIG_SUGGESTED_VALUES", "Possible values");