diff --git a/smkridge/161/sibria.htm b/smkridge/161/sibria.htm
index 09c096476..6333c47a5 100644
--- a/smkridge/161/sibria.htm
+++ b/smkridge/161/sibria.htm
@@ -379,7 +379,7 @@ awkward climb down through an eyehole to a series of dried-out cascades in an
 old streamway, <b>Rasputin</b>. The last drop needs a rope, dropping 4m from
 naturals to a sandy mud floor. A faint draught issues from a mud choke, with
 no way on. This point is at 1269m altitude, 527m below the 161a entrance -
-now the deepest point of the system.
+the deepest point of the system at the time of exploration.
 
 <p>Ten metres above the foot of Midnight in Moscow, the widening blackness
 resolves into a sloping mud and boulder floored chamber. This can be