diff --git a/src/dorem.c b/src/dorem.c
index 0f3a5879..3960e90c 100644
--- a/src/dorem.c
+++ b/src/dorem.c
@@ -558,8 +558,8 @@ int ParseRem(ParsePtr s, Trigger *trig, TimeTrig *tim)
 
         case T_Number:
             DBufFree(&buf);
-            Eprint("Number `%d' is not recognized as a year or a day number",
-                   tok.val);
+            Eprint("Number `%d' is not recognized as a year (%d-%d) or a day number (1-31)",
+                   tok.val, BASE, BASE+YR_RANGE);
             return E_PARSE_ERR;
 
 	case T_Year:
diff --git a/tests/test.cmp b/tests/test.cmp
index 9c558dcf..ed32af04 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -5700,7 +5700,7 @@ Entering UserFN dooby(1)
 Leaving UserFN dooby(1) => 1
 
 REM 1 Jan 1873 MSG This should fail
-../tests/test.rem(1122): Number `1873' is not recognized as a year or a day number
+../tests/test.rem(1122): Number `1873' is not recognized as a year (1990-5990) or a day number (1-31)
 REM 1873-12-11 MSG Also bad.
 ../tests/test.rem(1123): Bad date specification: `1873-12-11'