Update src/N3Lexer.js

Co-authored-by: Ruben Verborgh <ruben@verborgh.org>

src/N3Lexer.js

@@ -323,7 +323,7 @@ export default class N3Lexer {
         }
         break;
       case '|':
-        // We need at least 2 tokens lookahead to distinguish "|}" and "|"
+        // We need 2 tokens lookahead to parse "|}"
         if (input.length < 2)
           break;
         // Try to find a quoted triple annotation end