Update Readme.md

Co-authored-by: Jakob Heher <[email protected]>

Author: stefanmore

Readme.md

@@ -23,4 +23,4 @@ The software PDF-Over processes the data required for the signature process loca
 The signature process with the citizen card is carried out locally. 
 
 During the signature process using ID Austria, the PDF document to be signed is sent to the company A-Trust. 
-The storage period and further data protection information for signatures using ID Austria can be found in the [data protection declaration of A-Trust](https://www.a-trust.at/downloads/documents/datenschutzerklaerung.pdf) at.
+The storage period and further data protection information for signatures using ID Austria can be found in the [data protection declaration of A-Trust](https://www.a-trust.at/downloads/documents/datenschutzerklaerung.pdf).