typo

src/tests/parser.test.ts

@@ -54,7 +54,7 @@ test('parses a literal', (t) => {
   }
 });
 
-test('parses a identifier', (t) => {
+test('parses an identifier', (t) => {
   t.plan(2);
   const result = parse('$blue');
   t.false(result instanceof ParserError);