diff --git a/core/parser.c b/core/parser.c
index f6ac7d7..62fbcf2 100644
--- a/core/parser.c
+++ b/core/parser.c
@@ -300,7 +300,7 @@ parse_preprocess(struct rifle_state *state)
             break;
         case TT_ENDIF:
             if (state->ifx_depth == 0) {
-                trace_error(state, "Extraneous '#endif' directive\n");
+                trace_error(state, "extraneous '#endif' directive\n");
                 return -1;
             }
 
@@ -342,7 +342,7 @@ parser_parse(struct rifle_state *state)
         }
 
         if (state->ifx_depth > 0) {
-            trace_error(state, "Unterminated '#if' directive\n");
+            trace_error(state, "unterminated '#if' directive\n");
             return -1;
         }
         break;