code cleanup and edit README.md

README.md

@@ -25,9 +25,10 @@
 I needed the ability to post a new post to Mastodon in my NodeBB forum.
 It is configurable in the configuration which user of the NodeBB can post (UID)
 
-This python script will be started with crontab.
-Crontab will start every minute the python script.
-The python script will check for new post. When a new post was found it will be post to mastodon.
+This Python script will be started by a crontab job.
+Crontab will execute the shell script nodebb_post_to_mastodon.sh every minute.
+When the shell script starts the Python file main.py, it will check for a new post.
+If a new post is found, it will send the post to Mastodon.
 
 This project is quite far from perfect, but it helped me a lot to understand the world of Python, PyCharm and git a little.
 
@@ -62,7 +63,8 @@ If it helps someone along the way as well, I'm glad. For questions and suggestio
 
     crontab -u <USER> -e
 
-   This script is triggered by a crontab (every minute)
+   This script is triggered by a crontab job, which runs every minute.
+   Line 2 is for debugging purposes by logging the output.
 
     # m h  dom mon dow   command
     #* * * * * /home/<USER>/nodebb_post_to_mastodon/./nodebb_post_to_mastodon.sh >> /home/user_nodebb/nodebb_post_to_mastodon/cron_log.log 2>&1

main.py

@@ -34,9 +34,9 @@ URL = os.getenv("URL")
 # Redis connection
 ###############################################
 def connect_redis():
-    # When i need another db as 0 the redis user must have permission SELECT in redis.
-    # My user don't have this permission, so i set db to 0
-    # When i use REDIS_DB i got an error for missing SELCT permission!
+    # When I need another db as 0 the redis user must have permission SELECT in redis.
+    # My user don't have this permission, so I set db to 0
+    # When I use REDIS_DB I got an error for missing SELECT permission!
     try:
         # Connect to the Redis database with authentication
         redis_connection = redis.Redis(host=REDIS_HOST,