diff --git a/requirements.txt b/requirements.txt
index 9c558e357..2f10e6147 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
+# The dependencies are declared in pyproject.toml. From the repository root this
+# installs TradingAgents with them, the same as `pip install .`
 .