Description of problem:
In Satellite 5.3.0 webui, there are following instructions for custom channel
Channel name and label are required. They each must be at least 6 characters in length. Labels must begin with a letter, contain only lowercase letters, hyphens ('-'), periods ('.'), underscores ('_'), and numerals.
Creation of custom channel with a numeral at the beginning of channel label
I'm not sure whether the channel creation logic or the instructions are
wrong, nonetheless the logic and the instructions do not seem consistent.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Satellite 5.3.0, navigate to custom channel creation page.
2. Read the instructions
3. Try to create a custom channel with a numeral at the beginning of
Either the instructions or the channel creation logic should be corrected.