diff --git a/api-reference/server/services/tts/inworld.mdx b/api-reference/server/services/tts/inworld.mdx
index 5d1e2c2c..8f215305 100644
--- a/api-reference/server/services/tts/inworld.mdx
+++ b/api-reference/server/services/tts/inworld.mdx
@@ -93,7 +93,7 @@ WebSocket-based service for lowest latency streaming.
   rate.
 </ParamField>
 
-<ParamField path="encoding" type="str" default="LINEAR16">
+<ParamField path="encoding" type="str" default="PCM">
   Audio encoding format.
 </ParamField>
 
@@ -168,7 +168,7 @@ HTTP-based service supporting both streaming and non-streaming modes.
   Audio sample rate in Hz.
 </ParamField>
 
-<ParamField path="encoding" type="str" default="LINEAR16">
+<ParamField path="encoding" type="str" default="PCM">
   Audio encoding format.
 </ParamField>