Changes

diff --git a/skills/trilium/SKILL.md b/skills/trilium/SKILL.md
index 479fbaa..670eef0 100644
--- a/skills/trilium/SKILL.md
+++ b/skills/trilium/SKILL.md
@@ -5,7 +5,16 @@ description: Interface with Trilium Notes to search, read, create, and update no
 
 # Trilium Notes Skill
 
-This skill enables seamless interaction with Trilium Notes, a hierarchical note-taking application. It allows you to search for notes, retrieve their content and metadata, and create or update notes directly from the CLI.
+This skill enables seamless interaction with Trilium Notes, a
+hierarchical note-taking application. It allows you to search for
+notes, retrieve their content and metadata, and create or update notes
+directly from the CLI.
+
+Note that the MCP server associated with this skill requires the
+following environment variables:
+
+* `TRILIUM_URL`, the URL of the Trilium server
+* `TRILIUM_TOKEN`, the API key of the Trilium server
 
 ## Core Capabilities