diff --git a/src/tidler b/src/tidler
index f1ffd46..1d9215f 100755
--- a/src/tidler
+++ b/src/tidler
@@ -10,17 +10,20 @@ else
 fi
 
 if [ -n "$QUALITY" ]; then
-	if [ "$QUALITY" == "LOSSLESS" -o "$QUALITY" == "HI_RES" ]; then
+	if [ "$QUALITY" = "LOSSLESS" -o "$QUALITY" = "HI_RES" ]; then
 		quality="$QUALITY"
 	else
 		echo "Bad QUALITY option. Only allowed are \"LOSSLESS\", \"HI_RES\"."
+		echo "Using default value..."
+
+		quality="LOSSLESS" # Default value
 	fi
 else
 	quality="LOSSLESS" # Default value
 fi
 
 if [ -n "$COVER_RESOLUTION" ]; then
-	if [ "$COVER_RESOLUTION" == "1280" -o "$COVER_RESOLUTION" == "640" -o "$COVER_RESOLUTION" == "80" ]; then
+	if [ "$COVER_RESOLUTION" = "1280" -o "$COVER_RESOLUTION" = "640" -o "$COVER_RESOLUTION" = "80" ]; then
 		cover_resolution="$COVER_RESOLUTION"
 	else
 		echo "Bad COVER_RESOLUTION option. Only allowed are \"1280\", \"640\", \"80\"."
@@ -196,6 +199,16 @@ elif [ "$1" = "download" ]; then
 	fi
 elif [ "$1" = "album" ]; then
 	searchAlbum
+elif [ "$1" = "help" ]; then
+	echo "<COMMANDS>"
+	echo ""
+	echo "search {text}-optional -> search any song"
+	echo ""
+	echo "download {song_id}-optional -> download any song"
+	echo ""
+	echo "album -> search and download any album"
+	echo ""
+	echo "help -> print this message and exit"
 else
 	echo "Choose 1 for download track or 2 for search track and download"
 	read option