Minor fix to the warning message

bilby/core/sampler/dynesty.py

@@ -735,8 +735,8 @@ def sample_rwalk_bilby_with_act(args):
             if max_walk_warning:
                 logger.warning(
                     "Hit maximum number of walks {} with accept={}, reject={}, "
-                    "and nfail={} try increasing maxmcmc"
-                    .format(maxmcmc, accept, reject, nfail))
+                    "nfail={}, and act={} try increasing maxmcmc"
+                    .format(maxmcmc, accept, reject, nfail, act))
                 max_walk_warning = False
             if accept > 0:
                 # Break if we are above maxmcmc and have at least one accepted point