Grammar-o on its

Possessive form of it.

doc/Language/operators.pod

@@ -288,13 +288,13 @@ TODO
 =head2 Zip Operators
 
 The zip metaoperator, C<Z>, will apply a given infix operator to pairs taken
-one left, one right, from it's arguments. The resulting list is returned.
+one left, one right, from its arguments. The resulting list is returned.
 
     my @l = <a b c> Z~ 1,2,3; # [a1 b2 c3]
     
 If one of the operands runs out of elements prematurely, the zip operator will
 stop. An infinite list can be used to repeat elements. A list with a final 
-element of C<*> will repeat it's 2nd last element indefinitely.
+element of C<*> will repeat its 2nd last element indefinitely.
 
     my @l = <a b c d> Z~ ':' xx *; # <a: b: c: d:> 
     my @l = <a b c d> Z~ 1, 2, *;  # <a1 b2 c2 d2>