diff --git a/examples/loader.ts b/examples/loader.ts
index 58feccb..788d12d 100644
--- a/examples/loader.ts
+++ b/examples/loader.ts
@@ -33,12 +33,12 @@ const resolvers: resolverTypes = {
   },
   Dog: {
     owner: {
-      load (queries) {
-        return queries.map(q => new Promise(resolve => {
+      load(queries) {
+        return new Promise(resolve => {
           setTimeout(() => {
-            resolve(owners[q.parent.name])
+            resolve(queries.map(q => owners[q.parent.name]))
           }, 1000)
-        }))
+        })
       }
     }
   }
diff --git a/package.json b/package.json
index 74fd613..fd6acee 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "docs:preview": "vitepress preview",
     "build": "tsc -p tsconfig.json",
     "postbuild": "typedoc --readme none --entryDocument index.md --plugin typedoc-plugin-markdown --tsconfig tsconfig.json --hideInPageTOC true --out www/api src/index.ts",
+    "ts:check": "tsc -p tsconfig.test.json",
     "test": "ts-node examples/relay.ts"
   },
   "devDependencies": {
diff --git a/tsconfig.test.json b/tsconfig.test.json
new file mode 100644
index 0000000..eff2ba2
--- /dev/null
+++ b/tsconfig.test.json
@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "noEmit": true,
+    "skipLibCheck": true,
+  },
+  "include": ["src/**/*.ts", "examples/**/*.ts"],
+}
diff --git a/www/docs/guide/loaders.md b/www/docs/guide/loaders.md
index bbaa1de..9083ae0 100644
--- a/www/docs/guide/loaders.md
+++ b/www/docs/guide/loaders.md
@@ -57,13 +57,13 @@ const resolvers: resolverTypes = {
   },
   Dog: {
     owner: {
-      load (queries) {
+      load(queries) {
         // Promise with timeout added to demonstrate caching
-        return queries.map(q => new Promise(resolve => {
+        return new Promise(resolve => {
           setTimeout(() => {
-            resolve(owners[q.parent.name])
+            resolve(queries.map(q => owners[q.parent.name]))
           }, 1000)
-        }))
+        })
       }
     }
   }