Apply suggestions from code review

Co-authored-by: Stephen Halter <shalter+msft@microsoft.com>

Author: Mike Kistler

src/ModelContextProtocol.Extensions.Apps/Server/McpAppUiAttribute.cs

@@ -11,11 +11,10 @@ namespace ModelContextProtocol.Server;
 /// UI resource with the tool. When processed by <see cref="McpApps.ApplyAppUiAttributes(McpServerTool)"/>
 /// or <see cref="McpApps.ApplyAppUiAttributes(IEnumerable{McpServerTool})"/>, it populates the
 /// structured <c>_meta.ui</c> object in the tool's metadata.
-/// </para>
 /// <para>
-/// This attribute takes precedence over any raw <c>[McpMeta("ui", ...)]</c> attribute on the
-/// same method, but explicit <c>Meta["ui"]</c> set via <see cref="McpServerToolCreateOptions"/>
-/// takes precedence over this attribute.
+/// Explicit <c>Meta["ui"]</c> set via <see cref="McpServerToolCreateOptions"/> or a raw
+/// <c>[McpMeta("ui", ...)]</c> attribute takes precedence over this attribute: if the tool
+/// already has a <c>ui</c> key in <see cref="Protocol.Tool.Meta"/>, this attribute is ignored.
 /// </para>
 /// </remarks>
 /// <example>