Fix typo

src/app.py

@@ -24,7 +24,7 @@ def result():
 def safe():
     app.logger.info('Initializing safe reboot process')
 
-    # Try to ping the router 100 times
+    # Try to ping the router 50 times
     for i in range(50):
         if call(['ping', '-c', '1', url], stdout=DEVNULL, stderr=STDOUT) == 0:
             app.logger.info('Router is online')