Boundary spells aren't cylinders.

diff --git a/Rules/Houserules.mdwn b/Rules/Houserules.mdwn
index 99698b9c7497f5693424d5d108ea39a834fac0ea..e4098e45df2acd62636015aedb56f7df1a94a06a 100644 (file)
--- a/Rules/Houserules.mdwn
+++ b/Rules/Houserules.mdwn
@@ -50,3 +50,9 @@ Academics count towards this cost like scribes and magi.
 
 If, after rolling a sequence of 1s, a 2 is rolled it may be
 re-rolled.  But only once; if you get another 2 that's fate.
+
+## Target Boundary
+
+The upper and lower boundaries of a boundary spell exist and are
+something appropriate - e.g. a triangle might be a pyramid, a circle
+might be a dome or a sphere.