diff --git a/extras/language/luci b/extras/language/luci
index 1ac5a58..8b953c5 100644
--- a/extras/language/luci
+++ b/extras/language/luci
@@ -30,6 +30,3 @@ config internal 'ccache'
 config internal 'themes'
 	option xiaoqiang '/xiaoqiang'
 	option OpenWrt '/luci-static/openwrt.org'
-
-config 5 'debuglevel'
-
diff --git a/remote_command_execution_vulnerability.py b/remote_command_execution_vulnerability.py
index d1b1ab8..553f28e 100644
--- a/remote_command_execution_vulnerability.py
+++ b/remote_command_execution_vulnerability.py
@@ -41,14 +41,14 @@ def get_stok(router_ip_address):
     try: 
         r0 = requests.get("http://{router_ip_address}/cgi-bin/luci/web".format(router_ip_address=router_ip_address))
     except:
-        print ("Xiaomi router not found...")
+        print ("Xiaomi router not found.")
         return None
-    try:	
+    try:
         mac = re.findall(r'deviceId = \'(.*?)\'', r0.text)[0]
+        key = re.findall(r'key: \'(.*)\',', r0.text)[0]
     except:
-        print ("Xiaomi router not found...")
+        print ("Unable to find deviceId or key.")
         return None
-    key = re.findall(r'key: \'(.*)\',', r0.text)[0]
     nonce = "0_" + mac + "_" + str(int(time.time())) + "_" + str(random.randint(1000, 10000))
     router_password = input("Enter router admin password: ")
     account_str = hashlib.sha1((router_password + key).encode('utf-8')).hexdigest()
@@ -67,8 +67,8 @@ def get_stok(router_ip_address):
 
 stok = get_stok(router_ip_address) or input("You need to get the stok manually, then input the stok here: ")
 print("""There two options to provide the files needed for invasion:
-   1. Use a local TCP file server runing on random port to provide files in local directory `script_tools`.
-   2. Download needed files from remote github repository. (choose this option only if github is accessable inside router device.)""")
+   1. Use a local TCP file server running on random port to provide files in local directory `script_tools`.
+   2. Download needed files from remote github repository. (choose this option only if github is accessible inside router device.)""")
 use_local_file_server = (input("Which option do you prefer? (default: 1)") or "1") == "1"
 
 # From https://blog.securityevaluators.com/show-mi-the-vulns-exploiting-command-injection-in-mi-router-3-55c6bcb48f09
diff --git a/set_english.py b/set_english.py
index 0d59b16..fe28036 100644
--- a/set_english.py
+++ b/set_english.py
@@ -9,12 +9,13 @@
 import os
 import ftplib
 
-router_ip_address = input("Router IP address: ")
-# router_ip_address = '192.168.0.21'
+router_ip_address = "miwifi.com"
+# router_ip_address = "192.168.31.1"
+router_ip_address = input("Router IP address: [press enter for using the default '{}']".format(router_ip_address)) or router_ip_address
 
 session = ftplib.FTP(router_ip_address,'root','')
 
-# Uploading a lenguage file will not succeed as the filesystem is ro
+# Uploading a language file will not succeed as the filesystem is ro
 # languageFile = open('extras/language/i18n/base.en.lmo','rb')
 # session.storbinary('STOR /usr/lib/lua/luci/i18n/base.en.lmo', languageFile)
 # languageFile.close()
diff --git a/tcp_file_server.py b/tcp_file_server.py
index ac430fd..1941a74 100644
--- a/tcp_file_server.py
+++ b/tcp_file_server.py
@@ -26,7 +26,7 @@ def run(self):
         self.server_thread = threading.Thread(target=self.server.serve_forever)
         self.server_thread.daemon = True
         self.server_thread.start()
-        print("local file server is runing on {}:{}. root='{}'".format(self.ip, self.port, self.server.root_dir))
+        print("local file server is running on {}:{}. root='{}'".format(self.ip, self.port, self.server.root_dir))
     
     def __exit__(self, exc_type, exc_val, exc_tb):
         self.server.shutdown()