Work on test cases.

1 files changed, 1 insertions, 1 deletions

diff --git a/default.do b/default.do
index 5e05697..1fe1e16 100644
--- a/default.do
+++ b/default.do
@@ -24,7 +24,7 @@ case "$1" in
     clang-format -i main.c util.c >&2
   ;;
   *)
-    echo "don't know how to build $1" 2>&1
+    echo "don't know how to do $1" 2>&1
     exit 1
   ;;
 esac
\ No newline at end of file