update some strings

Signed-off-by: starry69 <starry369126@outlook.com>

starrybot.py

@@ -17,8 +17,7 @@
 
 from telegram.ext import(
 Updater, CommandHandler,
-run_async, Filters, Defaults
-)
+run_async, Filters, Defaults)
 
 from telegram import(
 ChatAction, ParseMode,
@@ -88,7 +87,10 @@ def helper(update, context):
 # Log Errors caused by Updates
 
 def error(update, context):
-    LOGGER.warning('Update "%s" caused error "%s"', update, context.error)
+    try:
+        raise context.error
+    finally:
+        LOGGER.warning('Update "%s" caused error "%s"', update, context.error)
 
 # WALL FUNCTIONS
 
@@ -363,11 +365,12 @@ def about(update, context):
    )
 }
 I'm a simple wallpapers bot which
-gives you stunning free images & royalty free stock wallpapers from <a href="https://pixabay.com/">pixabay</a>.
+gives you stunning free images & royalty free stock wallpapers from <a href="https://pixabay.com/">pixabay</a> API.
 
 I'm written on Python3 using PTB library by this <a href="tg://user?id=894380120">person</a>.
-Contact him if you're having any trouble using me!
-"""
+You can checkout my source code <a href="https://github.com/starry69/WallsBot">here</a> and drop a star if you enjoyed using me!
+
+Feel free to contact my creator if you're having any trouble or found some rough edge inside me :)"""
     context.bot.sendMessage(chat.id, ABOUT_STR)
 
 @run_async