add missing EOL
diff --git a/src/agentmgr.js b/src/agentmgr.js
index cb0e5a9..3264cc1 100644
--- a/src/agentmgr.js
+++ b/src/agentmgr.js
@@ -502,4 +502,4 @@
     }
 }
 
-module.exports = AgentMgr;
\ No newline at end of file
+module.exports = AgentMgr;
diff --git a/src/ngrok.js b/src/ngrok.js
index afa01d7..4551ef9 100644
--- a/src/ngrok.js
+++ b/src/ngrok.js
@@ -136,4 +136,4 @@
     }
 }
 
-module.exports = NgrokAgent;
\ No newline at end of file
+module.exports = NgrokAgent;
diff --git a/src/watcher.js b/src/watcher.js
index d69b554..8488ffa 100644
--- a/src/watcher.js
+++ b/src/watcher.js
@@ -120,4 +120,4 @@
     }
 }
 
-module.exports = Watcher;
\ No newline at end of file
+module.exports = Watcher;