diff --git a/README.md b/README.md
index cb145fc..fd13ce8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-This is the source code of the MMDVM firmware that supports D-Star, DMR, and System Fusion.
+This is the source code of the MMDVM firmware that supports D-Star, DMR, System Fusion and P25.
 
 Currently it only runs on the Arduino Due, but other platforms are planned.