Fix two more "it's" that should be "its"

Author: moritz

doc/Language/operators.pod6

@@ -118,7 +118,7 @@ L<Defining Operators functions|/language/functions#Defining_Operators>.
 
 Meta operators can be parameterized with other operators or subroutines in the
 same way as functions can take functions as parameters. To use a subroutine as
-a parameter prefix it's name with a C<&>. Perl 6 will generate the actual
+a parameter prefix its name with a C<&>. Perl 6 will generate the actual
 combined operator in the background, allowing the mechanism to be applied to
 user defined operators. There are quite a few Meta operators with different
 semantics, as explained in detail as follows.

doc/Type/Order.pod6

@@ -12,7 +12,7 @@
 
     multi sub infix:<cmp>(\a, \b --> Order:D)
 
-Coerces it's arguments to Stringy.
+Coerces its arguments to Stringy.
 
 =head2 infix <=>