Correct class reference (#4466)

Signed-off-by: James Ward <[email protected]>

Author: jamesward

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/mcp/mcp-annotations-server.adoc

@@ -31,7 +31,7 @@ public class CalculatorTools {
 ----
 @McpTool(name = "calculate-area", 
          description = "Calculate the area of a rectangle",
-         annotations = @McpTool.McpAnnotations(
+         annotations = McpTool.McpAnnotations(
              title = "Rectangle Area Calculator",
              readOnlyHint = true,
              destructiveHint = false,