[DOCS] Fix link to Upgrade Instructions

in2code-de / powermail

This is the official repository of the TYPO3 extension powermail! Powermail is a well-known, editor-friendly, powerful and easy mailform extension for TYPO3

https://in2code.de

88 stars 174 forks source link

[DOCS] Fix link to Upgrade Instructions #1152

Closed linawolf closed 1 month ago