Fix incorrect MCP server stateless connection properties prefix - Fixes #4967

Author: CorgiBoyG

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

@@ -94,7 +94,7 @@ The server mcp-annotations properties are prefixed with `spring.ai.mcp.server.an
 
 === Stateless Connection Properties
 
-All connection properties are prefixed with `spring.ai.mcp.server.stateless`:
+All connection properties are prefixed with `spring.ai.mcp.server.streamable-http`:
 
 [options="header"]
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