diff --git a/devleops/codeigniter/ci4-install.sh b/devleops/codeigniter/ci4-install.sh
index 66494c6..b4f355e 100755
--- a/devleops/codeigniter/ci4-install.sh
+++ b/devleops/codeigniter/ci4-install.sh
@@ -57,7 +57,7 @@ check_deps_bin() {
 for NAME in "${BIN_DEPS[@]}"
   do
    if ! [ -x "$(command -v $NAME)" ]; then
-     echo "Error: $NAME is not installed." >&2
+     echo "Error: $NAME is not installed. Please install $NAME before start this script." >&2
      exit 1;
    fi
   done