Use more precise wording in eqv docs

Author: zoffixznet

doc/Language/operators.pod6

@@ -1624,7 +1624,7 @@ Returns C<True> if the first argument is larger than the second.
     sub infix:<eqv>(Any, Any)
 
 X<Equivalence operator>. Returns C<True> if the two arguments are structurally
-the same, i.e. from the same type and (recursively) contain the same values.
+the same, i.e. from the same type and (recursively) contain equivalent values.
 
     say [1, 2, 3] eqv [1, 2, 3];    # OUTPUT: «True␤»
     say Any eqv Any;                # OUTPUT: «True␤»