diff --git a/doc.zih.tu-dresden.de/docs/software/tensorflow.md b/doc.zih.tu-dresden.de/docs/software/tensorflow.md
index 7f03a743ac6acba93bcc02e1c3c4b703bfe9cb38..97d5c73a7ae3165d3176aeb8ec9632205708858e 100644
--- a/doc.zih.tu-dresden.de/docs/software/tensorflow.md
+++ b/doc.zih.tu-dresden.de/docs/software/tensorflow.md
@@ -123,7 +123,7 @@ tf_upgrade_v2 utility to help transition legacy code to the new API.
 
 ## Keras
 
-[Keras](keras.io) is a high-level neural network API, written in Python and capable of running on
+[Keras](https://keras.io) is a high-level neural network API, written in Python and capable of running on
 top of TensorFlow. Please check the software modules list via
 
 ```console