[css-values-4] Make log/exp use the consistency terminology. #10017

css-values-4/Overview.bs

@@ -3807,13 +3807,17 @@ Exponential  Functions: ''pow()'', ''sqrt()'', ''hypot()'', ''log()'', ''exp()''
 	defaulting to e),
 	which must resolve to <<number>>s,
 	and returns the logarithm base B of the value A,
-	as a <<number>>.
+	as a <<number>>
+	with the return type [=made consistent=]
+	with the input [=calculation’s=] type.
 
 	The <dfn lt="exp()">exp(A)</dfn> function
 	contains one [=calculation=]
 	which must resolve to a <<number>>,
 	and returns the same value as ''pow(e, A)''
-	as a <<number>>.
+	as a <<number>>
+	with the return type [=made consistent=]
+	with the input [=calculation’s=] type.
 
 	<div class=example>
 		The ''pow()'' function can be useful for strategies like <a href="https://www.modularscale.com/">CSS Modular Scale</a>,