Update README.md

README.md

@@ -167,7 +167,7 @@ For a general introduction to installing modules, see
 NOTE: currently we have pinned to
 `numpy<1.24.0` (due to an incompatibility with ptemcee).
 
-NOTE: We require a recent LALSuite/lalpulsar including the
+NOTE: We require a recent LALSuite (>=7.13) / lalpulsar (>=6.0) including the
 [SFTv3 specification](https://dcc.ligo.org/T040164-v2/public).
 If you need to work with older versions,
 the last PyFstat release supporting those was `1.19.1`.