fix: correct typo in README.md regarding local helper tools

Author: Theaxiom

zaru-mcp-server/README.md

@@ -12,7 +12,7 @@
 
 The orchestrator owns the `aegis.*` tool surface and filters it by the caller's tier-derived `SecurityContext`, so `zaru-pro` and `zaru-enterprise` can surface the full management set while `zaru-free` remains restricted.
 
-This server does not publishe local `aegis.*` helper tools. The `aegis.*` namespace is reserved for the real AEGIS tool surface exposed through the orchestrator.
+This server does not publish local `aegis.*` helper tools. The `aegis.*` namespace is reserved for the real AEGIS tool surface exposed through the orchestrator.
 
 ## Endpoints