diff --git a/share/js_src/compile.sh b/share/js_src/compile.sh
index 5b444b1..cfb2f63 100755
--- a/share/js_src/compile.sh
+++ b/share/js_src/compile.sh
@@ -9,12 +9,12 @@
 BASEDIR=$(dirname $0)
 OUTPUT="$BASEDIR/../pdf2htmlEX.js"
 
-(echo "Compiling pdf2htmlEX.js with closure-compiler..." && \
+(echo 'Compiling pdf2htmlEX.js with closure-compiler...' && \
     tmpfile=$(mktemp 2>/dev/null) && \
     java -jar "$BASEDIR/../../3rdparty/closure-compiler/compiler.jar" --compilation_level ADVANCED_OPTIMIZATIONS --process_jquery_primitives --externs "$BASEDIR/../jquery.js" --js "$BASEDIR/css_class_names.js" --js "$BASEDIR/viewer.js" > "$tmpfile" 2>/dev/null && \
     cat "$BASEDIR/header.js" "$tmpfile" > "$OUTPUT" && \
-    rm -f -- "$tmpfile") || \
-(echo "Failed. Fall back to naive concatenation" && \
+    rm -f -- "$tmpfile" && \
+    echo 'Done.') || \
+(echo 'Failed. Read `3rdparty/closure-compiler/README` for more detail.' && \
+echo 'Fall back to naive concatenation' && \
 cat "$BASEDIR/header.js" "$BASEDIR/css_class_names.js" "$BASEDIR/viewer.js" > "$OUTPUT")
-
-