diff --git a/guides/mcp-integration.mdx b/guides/mcp-integration.mdx
index bbe133c..763d974 100644
--- a/guides/mcp-integration.mdx
+++ b/guides/mcp-integration.mdx
@@ -87,7 +87,7 @@ Every connection sees the tools below, minus those whose feature gate is closed
 | `search_knowledge` | Search Saturday's sports nutrition knowledge base | `ai_coach` |
 | `get_athlete_insights` | AI-generated insights from an athlete's history | `ai_data` |
 | `list_activity_types` | The supported sports and their algorithms | |
-| `infer_activity_type` | Classify an activity from its title, description, or metadata | |
+| `infer_activity_type` | Classify an activity from its title, description, tags, or the source's own workout type | |
 | `build_bottling_plan` | Turn prescription totals into a bottle-by-bottle plan | `bottling` |
 | `record_bottling_choice` | Persist the plan the athlete committed to | `bottling` |