diff --git a/README.md b/README.md
index 26d88e8..5d29870 100644
--- a/README.md
+++ b/README.md
@@ -1087,7 +1087,9 @@ unambiguously. `.xlsx` needs the optional `excel` extra, `.parquet` needs
 the optional `parquet` extra.
 
 Python 3.10 or newer is required (the code uses 3.10 features such as `X | None` annotations and
-`Path.write_text(newline=...)`, and the `mcp` extra needs 3.10 too). CI runs the suite on 3.10, 3.12 and 3.13.
+`Path.write_text(newline=...)`, and the `mcp` extra needs 3.10 too). CI runs the test suite and the
+audits on 3.12 only, and lint and the explainer build on 3.11; 3.10 and 3.13 are supported but not
+tested in CI.
 
 ```bash
 pip install -e .                                   # installs the faircode console script