Change "equivalently" to "similarly" in explanation of s1 and s2 in A…

…pp J

appj.adoc

@@ -27,7 +27,7 @@ where `ia` and `ib` are the indices in the target domain of the tie points `A` a
 
 Note that the value of `s` varies from `0.0` at the tie point `A` to `1.0` at tie point `B`. For example, if `ia = 100` and `ib = 110` and the index in the target domain of the coordinate value to be reconstituted is `i = 105`, then `s = (105 - 100)/(110 - 100) = 0.5`.
 
-In the case of two dimensional interpolation, the interpolation arguments are equivalently computed as
+In the case of two dimensional interpolation, the interpolation arguments are similarly computed as
 
 `s1 = s(ia1, ib1, i1) = (i1 - ia1)/(ib1 - ia1)`  +
 `s2 = s(ia2, ic2, i2) = (i2 - ia2)/(ic2 - ia2)`