Fix heading levels

Author: zoffixznet

doc/Language/operators.pod

@@ -151,7 +151,7 @@ Non-matching characters can simply replace the original slashes. Matching
 characters, like braces, require an extra step where you use an
 assignment operator to assign the replacement to the match part.
     
-=head2 Assignment Operators
+=head1 Assignment Operators
 
 Infix operators can be combined with the assignment operator to modify a
 value and apply the result to a container in one go. Containers will be
@@ -178,7 +178,7 @@ Although not strictly operators, methods can be used in the same fashion.
     my $a = 3.14;
     $a .= Int; # 3
 
-=head2 Negated Relational Operators
+=head1 Negated Relational Operators
 
 The result of a relational operator returning C<Bool> can be negated by
 prefixing with C<!>. To avoid visual confusion with the C<!!> operator,
@@ -194,15 +194,15 @@ There are shortcuts for C<!==> and C<!eq>, namely C<!=> and C<ne>.
     my $today = Date.today;
     say so $release !before $today; # True
 
-=head2 Reversed Operators
+=head1 Reversed Operators
 
 Any infix operator may be called with its two arguments reversed by prefixing
 with C<R>. Associativity of operands is reversed as well.
 
     say 4 R/ 12; # 3
     say [R/] 2, 4, 16; # 2
 
-=head2 Hyper Operators
+=head1 Hyper Operators
 
 Hyper operators apply a given operator enclosed by C<«> and C<»> to one or two
 lists, returning the resulting list. The pointy part of C<«> or C<»> has to
@@ -292,7 +292,7 @@ to destructure a List of Lists.
     my $p = (2,3);
     say $neighbors »>>+<<» ($p, *); # ((1 3) (2 2) (2 4) (3 3))
 
-=head2 Reduction Operators
+=head1 Reduction Operators
 
 Reduction operators apply any infix operator, surrounded by C<[> and C<]>,
 element by element and return the resulting value.
@@ -319,7 +319,7 @@ quote it with C<[]> (e.g. C<[\[\x]]>).
     my $lazy := [\+] 1..*;
     say $lazy[^10]; # (1 3 6 10 15 21 28 36 45 55)
 
-=head2 Cross Operators
+=head1 Cross Operators
 
 The cross metaoperator, C<X>, will apply a given infix operator in order of
 cross product to all lists, such that the rightmost operator varies most
@@ -328,7 +328,7 @@ quickly.
     1..3 X~ <a b>
     # produces <1a, 1b, 2a, 2b, 3a, 3b>
 
-=head2 Zip Operators
+=head1 Zip Operators
 
 The zip metaoperator, C<Z>, will apply a given infix operator to pairs taken
 one left, one right, from its arguments. The resulting list is returned.
@@ -342,14 +342,14 @@ 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>
 
-=head2 Sequential Operators
+=head1 Sequential Operators
 
 The sequential metaoperator, C<S>, will suppress any concurrency, or reordering
 done by the optimizer. Most simple infix operators are supported.
 
     say so 1 S& 2 S& 3; # True
 
-=head2 Nesting of Meta Operators
+=head1 Nesting of Meta Operators
 
 To avoid ambiguity when chaining meta operators use square brackets to help the
 compiler to understand you.