releases/README: typo
Title level.
@@ -22,7 +22,7 @@ The purpose is twofold:
that the released binary was created correctly, even if it becomes infeasible to re-build the
binary.
-# Verify assertions by the community
+## Verify assertions by the community
Inspect the `assertion.txt` file of the relevant subdir,
e.g. [firmware-v4.1.0/assertion.txt](firmware-v4.1.0/assertion.txt).
