diff --git a/pdb-js/build.gradle b/pdb-js/build.gradle
index 8d10e01..f2fbc48 100644
--- a/pdb-js/build.gradle
+++ b/pdb-js/build.gradle
@@ -70,7 +70,7 @@ task createEnvShell {
     final String nodejsPath = "${cwd}/.gradle/nodejs/node-v${version_nodejs}-linux-x64/bin";
     final String npmPath = "${cwd}/build/npm/npm-v${version_npm}/bin";
     final String nodeModulesBinPath = "${cwd}/node_modules/.bin";
-    final String content = '#usage: source env.sh'+"\nexport PATH=${nodeModulesBinPath}:${npmPath}:${nodejsPath}:\$PATH\n";
+    final String content = '#\n# usage: source env.sh'+"\n#\nexport PATH=${nodeModulesBinPath}:${npmPath}:${nodejsPath}:\$PATH\n";
     
     inputs.property("version_nodejs", version_nodejs)
     inputs.property("version_npm", version_npm)