subject-verb agreement

Author: stoned

doc/Language/grammar_tutorial.pod6

@@ -244,7 +244,7 @@ this, we could replace the '/'s in TOP with a token that allowed for spaces.
     =end code
 
 We're getting some extra junk in the match object now, with those slashes.
-There's techniques to clean that up that we'll get to later.
+There are techniques to clean that up that we'll get to later.
 =head2 Inheriting from a grammar
 
 Since grammars are classes, they behave, OOP-wise, in the same way as any other class; specifically, they can inherit from base classes that include some tokens or rules, this way: