diff --git a/src/builtins.c b/src/builtins.c
index 8288052..a7fe8f6 100644
--- a/src/builtins.c
+++ b/src/builtins.c
@@ -759,7 +759,7 @@ symbol(apfl_ctx ctx)
         apfl_push_symbol(ctx, -1);
         return;
     default:
-        apfl_raise_const_error(ctx, "symbol need 0 or 1 argument");
+        apfl_raise_const_error(ctx, "symbol needs 0 or 1 argument");
     }
 }