diff --git a/README.md b/README.md
index 8bc5ef2..0965927 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,12 @@ python3 telegramShellBot.py &              (this will run the script in backgrou
 ![alt tag](/readme_images/image4.png)
 
 
+## Sending and receiving files
+To send files just drag and drop on the chat, or click on send file button (images must be sent this way).
+To download files from the computer use "getfile + path" (e.g. getfile /home/user/Desktop/test-file.txt).
+
+![alt tag](/readme_images/gif2.gif)
+
 
 ## Version history
 Check [project releases](https://github.com/EnriqueMoran/remoteTelegramShell/releases) for more info.
@@ -80,4 +86,12 @@ Check [project releases](https://github.com/EnriqueMoran/remoteTelegramShell/rel
 - **v1.0:** (6/21/18) Official release. Critical and minor bug fixed. New forbidden commands added.
 - **v1.1.2:** (3/8/19) Typo correction, top command added, Telegram API 400 Bad Request error fixed.
 - **v1.2.0:** (1/25/20) Install and uninstall package infinite loop fixed, config.txt and readme modified.
-- **v1.2.1:** (1/26/20) Update and upgrade system infinite loop fixed, config parameters checker added.
\ No newline at end of file
+- **v1.2.1:** (1/26/20) Update and upgrade system infinite loop fixed, config parameters checker added.
+- **v1.3.1:** (6/12/20) File sending and receiving feature added.
+
+
+
+
+todo: agregar la sharedfolder
+hacer que se puedan eliminar usuarios desde telegram, que salga bonito, etc
+hacer que el loglimit funcione
\ No newline at end of file
diff --git a/config.txt b/config.txt
index d552214..c74cb4e 100644
--- a/config.txt
+++ b/config.txt
@@ -5,14 +5,14 @@
 # this file and fill the following parameters in order to correctly configure the program.
 
 
-# File sharing folder - Absolute path to file sharing folder. All files sent through
-# drag and drop will be stored there, dont choose a root-protected one.
-shareFolder = ./shareFolder
+# File sharing folder - Absolute path to file sharing folder (ending in slash). All files 
+# sent through drag and drop will be stored there, dont choose a root-protected one.
+shareFolder = ./shareFolder/
 
 
 # Version - This parameter is automatically filled. Current version will be shown on /help
 # option. Please do not modify.
-version = v1.3.0
+version = v1.3.1
 
 
 # TOKEN - This is bot auth token, necessary to connect bot to Telegram device.
diff --git a/readme_images/gif2.gif b/readme_images/gif2.gif
new file mode 100644
index 0000000..00cdaaf
Binary files /dev/null and b/readme_images/gif2.gif differ
diff --git a/telegramShellBot.py b/telegramShellBot.py
index 205c652..d4a90ab 100644
--- a/telegramShellBot.py
+++ b/telegramShellBot.py
@@ -115,7 +115,8 @@ def checkConfig(message):
     if ROOT == "":
         error = True
         error_msg += "\n- Root field is empty."
-    bot.send_message(message.chat.id, error_msg)
+    if error:
+        bot.send_message(message.chat.id, error_msg)
     return error
 
 
@@ -410,10 +411,10 @@ def run(message):
 def saveDoc(doc):
     fileInfo = bot.get_file(doc.document.file_id)
     downloadedFile = bot.download_file(fileInfo.file_path)
-    filepath = SHAREFOLDER + '\\' +  doc.document.file_name
-    with open(filepath, 'wb') as newFile:
+    filePath = SHAREFOLDER +  doc.document.file_name
+    with open(filePath, 'wb') as newFile:
         newFile.write(downloadedFile)
-    bot.send_message(message.chat.id,"File received.")
+    bot.send_message(doc.chat.id,f"File saved as {filePath}")
 
 @bot.message_handler(content_types=['photo'])
 def savePhoto(doc):