fix image

Author: lindnemi

README.md

@@ -6,7 +6,7 @@ PyPSA-DE is a sector-coupled energy system model based on the toolbox [PyPSA](ht
 
 This repository contains the entire scientific project, including data sources and code. The philosophy behind this repository is that no intermediary results are included, but all results are computed from raw data and code.
 
-[`<img src="https://github.com/PyPSA/pypsa-de/blob/main/doc/img/INFRA_Stromnetzausbau.png?raw=true" width="400"/>`](https://github.com/PyPSA/pypsa-de/blob/main/doc/img/INFRA_Stromnetzausbau.png?raw=true)
+[<img src="https://github.com/PyPSA/pypsa-de/blob/main/doc/img/INFRA_Stromnetzausbau.png?raw=true" width="400"/>](https://github.com/PyPSA/pypsa-de/blob/main/doc/img/INFRA_Stromnetzausbau.png?raw=true)
 
 ## Getting ready