diff --git a/swagger/sdrangel/api/swagger/include/RTTYMod.yaml b/swagger/sdrangel/api/swagger/include/RTTYMod.yaml
index b46f0ff01..5ed8f29e1 100644
--- a/swagger/sdrangel/api/swagger/include/RTTYMod.yaml
+++ b/swagger/sdrangel/api/swagger/include/RTTYMod.yaml
@@ -58,9 +58,9 @@ RTTYModSettings:
     spaceHigh:
       type: integer
     prefixCRLF:
-      type: integer
+      type: string
     postfixCRLF:
-      type: integer
+      type: string
     udpEnabled:
       description: "Whether to receive text to transmit on specified UDP port"
       type: integer
@@ -115,5 +115,5 @@ RTTYModActions:
     payload:
       type: object
       properties:
-        data:
+        text:
           type: string