Small corrections.

And the note about the complement is redundant and is out of place anyway.

Author: ZzZombo

doc/Language/5to6-perlop.pod6

@@ -57,14 +57,14 @@ rather than "(-2)**4)") is also true for Perl 6.
 
 =head2 Symbolic Unary Operators
 
-As in Perl 5, unary C<!> and C<-> do logical arithmetic negation,
+As in Perl 5, unary C<!> and C<-> do logical and arithmetic negation,
 respectively. C<?^> is used for bitwise logical negation, which the
 documentation indicates is equivalent to C<!>. It may be relevant to
 note that these coerce their arguments to C<Bool> and C<Numeric>,
 respectively.
 
-Unary C<~> is the string context operator in Perl 6, so use prefix C<+^>
-for bitwise integer negation. Assumes two's complement.
+Unary C<~> is the string concatenation operator in Perl 6, so use prefix C<+^>
+for bitwise integer negation.
 
 C<+> I<does> have an effect in Perl 6, coercing its argument to to the
 Numeric type.
@@ -73,7 +73,7 @@ Unary <\> is no more. If you really want to take a reference to an existing
 named variable, you can use item context, like so: C<$aref = item(@array)>
 You can get a reference to a named subroutine by using the C<&> sigil: C<$sref
 = &foo> Anonymous arrays, hashes, and subs return their references during
-creation.
+creation I<right away>.
 
 =head2 Binding Operators