diff --git a/README.md b/README.md
index 6a11c699..e974b468 100644
--- a/README.md
+++ b/README.md
@@ -143,7 +143,7 @@ OpenEXR images.
 ## OpenSlide
 
 If available, libvips can load OpenSlide-supported virtual slide
-files: Aperio, Hamamatsu VMS and VMU, MIRAX, and Trestle.
+files: Aperio, Hamamatsu VMS and VMU, Leica, MIRAX, and Trestle.
 
 ## swig, python, python-dev