diff --git a/README.md b/README.md
index af6433f..9f44d6d 100644
--- a/README.md
+++ b/README.md
@@ -117,6 +117,11 @@ Beginners Guide for libplacebo:
     in rare cases.
 
     All other settings can be in their default state.
+    
+    Beginning with libplacebo API 58 user shaders from mpv are supported. Use -S parameter to set the shader.
+    The plugins searches the shaders in $ConfigDir/plugins/shaders for the shaders. One example shader is 
+    provided in the shader subdirectory. Copy it to e.g.: /etc/vdr/plugins/shaders and then start  
+    vdr -P 'softhdcuvid -S filmgrain.glsl ...'