1 files changed, 1 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index 07e6d35..840a657 100644
--- a/param.ccl
+++ b/param.ccl
@@ -15,6 +15,7 @@ EXTENDS KEYWORD initial_lapse
   "twopunctures-antisymmetric" :: "antisymmetric lapse for two puncture black holes, -1 <= alpha <= +1"
   "twopunctures-averaged"      :: "averaged lapse for two puncture black holes, 0 <= alpha <= +1"
   "psi^n"                      :: "Based on the initial conformal factor"
+  "brownsville"                :: "See Phys. Rev. D 74, 041501 (2006)"
 }