[Fix] Evals Img Cookbook - API grader link (openai#1978)

Author: imran-binhasan

examples/evaluation/use-cases/EvalsAPI_Image_Inputs.ipynb

@@ -174,7 +174,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For our testing criteria, we set up our grader config. In this example, it is a model grader that takes in an image, reference answer, and sampled model response (in the `sample` namespace), and then outputs a score between 0 and 1 based on how closely the model response matches the reference answer and its general suitability for the conversation. For more info on model graders, visit [API Grader docs](hhttps://platform.openai.com/docs/api-reference/graders). \n",
+    "For our testing criteria, we set up our grader config. In this example, it is a model grader that takes in an image, reference answer, and sampled model response (in the `sample` namespace), and then outputs a score between 0 and 1 based on how closely the model response matches the reference answer and its general suitability for the conversation. For more info on model graders, visit [API Grader docs](https://platform.openai.com/docs/api-reference/graders). \n",
     "\n",
     "Getting the both the data and the grader right are key for an effective evaluation. So, you will likely want to iteratively refine the prompts for your graders. "
    ]