Header + Profile Pic changes (openai#1242)

Author: royziv11

authors.yaml

@@ -91,7 +91,7 @@ dylanra-openai:
 royziv11:
   name: "Roy Ziv"
   website: "https://www.linkedin.com/in/roy-ziv-a46001149/"
-  avatar: "https://media.licdn.com/dms/image/D5603AQHkaEOOGZWtbA/profile-displayphoto-shrink_400_400/0/1699500606122?e=1716422400&v=beta&t=wKEIx-vTEqm9wnqoC7-xr1WqJjghvcjjlMt034hXY_4"
+  avatar: "https://media.licdn.com/dms/image/D5603AQHkaEOOGZWtbA/profile-displayphoto-shrink_200_200/0/1699500606122?e=1723075200&v=beta&t=2h6JQpVYm0YncvJRCxCHMB-PmGLg2m3UNbfOB0Yc8rM"
 
 justonf:
   name: "Juston Forte"

examples/Developing_hallucination_guardrails.ipynb

@@ -73,7 +73,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# 1. Building out an eval set\n",
+    "## 1. Building out an eval set\n",
     "\n",
     "Imagine we are a customer support team that is building out an automated support agent. We will be feeding the assistant information from our knowledge base about a specific set of policies for how to handle tickets such as returns, refunds, feedback, and expect the model to follow the policy when interacting with customers.\n",
     "\n",
@@ -596,7 +596,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# 2. Constructing our hallucination guardrail\n",
+    "## 2. Constructing our hallucination guardrail\n",
     "\n",
     "When building out our hallucination guardrail, here are some guiding principles:\n",
     "\n",