add missing word

Author: tbrowder

doc/Language/syntax.pod6

@@ -309,7 +309,7 @@ leading zeros do I<not> indicate base 8; instead a compile-time warning is
 issued.
 
 In all literal formats, you can use underscores to group digits;
-they don't carry any semantic; the following literals all evaluate to the same
+they don't carry any semantic information; the following literals all evaluate to the same
 number:
 
     1000000