Mention DWIMMY is-approx uses *absolute* $expected

... to figure out what sort of tolerance to use

Author: zoffixznet

doc/Language/testing.pod6

@@ -281,8 +281,8 @@ are approximately equal to each other. The subroutine can be called in numerous
 ways that let you test using relative tolerance (C<$rel-tol>) or
 absolute tolerance (C<$abs-tol>) of different values.
 
-If no tolerance is set, the function will base the tolerance on the value of
-C<$expected>: if it's smaller than C<1e-6>, use absolute tolerance of C<1e-5>;
+If no tolerance is set, the function will base the tolerance on the I<absolute>
+value of C<$expected>: if it's smaller than C<1e-6>, use absolute tolerance of C<1e-5>;
 if it's larger, use relative tolerance of C<1e-6>.
 
     my Numeric ($value, $expected, $abs-tol, $rel-tol) = ...