diff --git a/docs/Client.UI.md b/docs/Client.UI.md
index f8a9c25d..a71fd68f 100644
--- a/docs/Client.UI.md
+++ b/docs/Client.UI.md
@@ -100,7 +100,7 @@ Select a node in the browse tree to auto-read its current value. The tab display
 - Status code (e.g., `0x00000000 (Good)`)
 - Source and server timestamps
 
-To write a value, enter the new value and click Write. The write is sent as a raw string; the server resolves the target type.
+To write a value, enter the new value and click Write. The shared `OpcUaClientService.WriteValueAsync` pre-reads the node's current value to determine its type, then calls `ValueConverter.ConvertValue` to produce a typed value client-side before sending a typed `DataValue` to the server. Type resolution happens in the client, not on the server.
 
 ## Subscriptions Tab