Update README.md

corrected details in internals in readme

Author: evanmcneely

README.md

@@ -231,11 +231,11 @@ This package exposes 3 additional functionalities which comprise the internals o
             import { typeWeightsFromSchema } from 'graphql-limiter';
             import { parse } from 'graphql';
 
-            let query: DocumentNode = parse(`...`);
+            let queryAST: DocumentNode = parse(`...`);
 
             const queryParser: ASTParser = new ComplexityAnalysis(typeWeights, variables);
 
-            const complexity: number = queryParser.parse(query);
+            const complexity: number = queryParser.processQuery(queryAST);
             ```
 
 ### Rate-limiting
@@ -259,17 +259,15 @@ This package exposes 3 additional functionalities which comprise the internals o
                 refillRate: 1,
                 capacity: 10,
             },
-            typeWeights,
-            true
+            redisClient,
+            86400000 // 24 hours
         );
 
         const response: RateLimiterResponse = limiter.processRequest(
             'user-1',
             new Date().valueOf(),
             5
         );
-
-        const complexity: number = queryParser.parse(query);
         ```
 
 ## <a name="future-development"></a> Future Development