diff --git a/README.md b/README.md
index 6b6aec6..60320cd 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ This is a telegram bot writen in python for mirroring files on the internet to o
 - Mirroring Uptobox.com links to Google Drive (Uptobox account must be premium)
 - Nyaa.si and Sukebei Torrent search
 - Speedtest with picture results
+- Limiting torrent size support
 - Check Heroku dynos stats
 - Add stickers to your pack
 - Shell and Executor
@@ -36,7 +37,7 @@ HFS, LZH, LZMA, LZMA2, MBR, MSI, MSLZ, NSIS,
 NTFS, RPM, SquashFS, UDF, VHD, XAR, Z.
 ```
 
-## How to deploy?
+# How to deploy?
 Deploying is pretty much straight forward and is divided into several steps as follows:
 
 ## Installing requirements
@@ -139,10 +140,9 @@ sudo docker run mirrorbot
 
 ## Deploying on Heroku
 
-Fork this repo, then upload **token.pickle** to your forks
-
-**NOTE**: If you didn't upload **token.pickle** upload will not working
-<p><a href="https://heroku.com/deploy"> <img src="https://www.herokucdn.com/deploy/button.svg" alt="Deploy to Heroku" /></a></p>
+- Fork this repo
+- Upload **token.pickle** to your forks
+<p><a href="https://heroku.com/deploy"> <img src="https://img.shields.io/badge/Deploy%20To%20Heroku-black?style=for-the-badge&logo=Heroku" width="200""/></a></p>
 
 ## Deploying on Heroku using heroku-cli
 
@@ -247,7 +247,7 @@ machine host login username password my_youtube_password
 ```
 where host is the name of extractor (eg. youtube, twitch). Multiple accounts of different hosts can be added each separated by a new line
 
-## Credits
+# Credits
 
 Thanks to:
 - [out386](https://github.com/out386) heavily inspired from telegram bot which is written in JS
diff --git a/app.json b/app.json
index 80fba1f..1cf1206 100644
--- a/app.json
+++ b/app.json
@@ -105,13 +105,13 @@
       },
       "ENABLE_FILESIZE_LIMIT": {
         "description": "Set it to True if you want to use MAX_TORRENT_SIZE.",
-        "value": "false",
-        "required": true
+        "value": "False",
+        "required": falae
       },
       "MAX_TORRENT_SIZE": {
         "description": "To limit the torrent mirror size, Fill The amount you want to limit, examples: if you fill 15 it will limit 15gb.",
         "value": "15",
-        "required": true
+        "required": false
       },
       "STOP_DUPLICATE_MIRROR": {
         "description": "If this field is set to True, bot will check file in drive, if it is present in drive, downloading will be stopped.",
diff --git a/bot/__init__.py b/bot/__init__.py
index c4b0eaa..0fa490f 100644
--- a/bot/__init__.py
+++ b/bot/__init__.py
@@ -86,11 +86,14 @@ try:
     AUTO_DELETE_MESSAGE_DURATION = int(getConfig('AUTO_DELETE_MESSAGE_DURATION'))
     TELEGRAM_API = getConfig('TELEGRAM_API')
     TELEGRAM_HASH = getConfig('TELEGRAM_HASH')
-    MAX_TORRENT_SIZE = int(getConfig("MAX_TORRENT_SIZE"))
 except KeyError as e:
     LOGGER.error("One or more env variables missing! Exiting now")
     exit(1)
 
+try:
+    MAX_TORRENT_SIZE = int(getConfig("MAX_TORRENT_SIZE"))
+except KeyError:
+    MAX_TORRENT_SIZE = None
 try:
    ENABLE_FILESIZE_LIMIT = getConfig('ENABLE_FILESIZE_LIMIT')
    if ENABLE_FILESIZE_LIMIT.lower() == 'true':
diff --git a/config_sample.env b/config_sample.env
index a730772..0cfd838 100644
--- a/config_sample.env
+++ b/config_sample.env
@@ -23,11 +23,11 @@ MEGA_PASSWORD = ""
 BLOCK_MEGA_FOLDER = ""
 BLOCK_MEGA_LINKS = ""
 STOP_DUPLICATE_MIRROR = ""
-MAX_TORRENT_SIZE = 15
-#change ENABLE_FILESIZE_LIMIT = true if you want to use MAX_TORRENT_SIZE
-ENABLE_FILESIZE_LIMIT = false
 SHORTENER = ""
 SHORTENER_API = ""
+# Change ENABLE_FILESIZE_LIMIT = True if you want to use MAX_TORRENT_SIZE
+ENABLE_FILESIZE_LIMIT = false
+MAX_TORRENT_SIZE = 15
 # Add more buttons (two buttons are already added of file link and index link, you can add extra buttons too, these are optional)
 # If you don't know what are below entries, simply leave them, Don't fill anything in them.
 BUTTON_THREE_NAME = ""