diff --git a/AGENTS.md b/AGENTS.md
index 20897d0..a7fb7cf 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -1,6 +1,6 @@
 # Agent Guide — Pick'n'Play
 
-Also see the other related technical documentation: API.md, IIS.md, SPEC.md, README.md.
+Also see the other related technical documentation: API.md, IIS.md, SPEC.md, TESTS.md and README.md.
 Also see the user-facing documentation: per-language md files in wwwroot/data/i18n/faq
 
 ## Rules