Adds link and minor fixes

doc/Language/glossary.pod6

@@ -488,12 +488,12 @@ optimization.  See also L<https://en.wikipedia.org/wiki/Gradual_typing>.
 =head2 IIRC
 X<|IIRC>
 
-If I Read (or Remember) Correctly
+If I Read (or Remember) Correctly.
 
 =head2 IMHO
 X<|IMHO>
 
-In My Humble Opinion
+In My Humble Opinion.
 
 =head2 IWBN
 X<|IWBN>
@@ -551,7 +551,7 @@ Perl 6
 =head2 RSN
 X<|RSN>
 
-Real Soon Now
+Real Soon Now.
 
 =head2 RT
 X<|RT>
@@ -610,7 +610,8 @@ See also L<https://en.wikipedia.org/wiki/Larry_Wall>.
 =head1 Lexing
 X<|Lexing>
 
-Performing L<lexical analysis|https://en.wikipedia.org/wiki/Lexical_analysis>. A step which usually precedes parsing.
+Performing L<lexical analysis|https://en.wikipedia.org/wiki/Lexical_analysis>, a
+step which usually precedes parsing.
 
 =head1 Literal
 X<|Literal>
@@ -622,6 +623,8 @@ object and also refers to the object itself.
     say $x;         # $x is not a literal, but a variable
     my $s = "Foo";  # the "Foo" is a literal, the $s is a variable
 
+Different types of literals are described in L<the syntax document|/language/syntax#Literals>.
+
 X<|LHS>
 =head1 LHS