diff --git a/CodeSystem.ipynb b/CodeSystem.ipynb
index 86c71d1..4ddde4a 100644
--- a/CodeSystem.ipynb
+++ b/CodeSystem.ipynb
@@ -92,21 +92,13 @@
     "    print(\"\")"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "id": "9f7ba3f7",
-   "metadata": {},
-   "source": [
-    "# Vocabulary loads not shown here"
-   ]
-  },
   {
    "cell_type": "markdown",
    "id": "a9ebc889",
    "metadata": {},
    "source": [
     "## CodeSystem Search\n",
-    "### List code systems \n",
+    "List code systems \n",
     "(where's Loinc?)"
    ]
   },
@@ -241,7 +233,7 @@
    "id": "ad5dd31c",
    "metadata": {},
    "source": [
-    "### CodeSystem search \n",
+    "## CodeSystem search \n",
     "https://hl7.org/fhir/http.html#search "
    ]
   },
@@ -275,7 +267,7 @@
   {
    "cell_type": "code",
    "execution_count": 22,
-   "id": "d8c04484",
+   "id": "78d0fd89",
    "metadata": {},
    "outputs": [
     {
@@ -301,7 +293,7 @@
   {
    "cell_type": "code",
    "execution_count": 24,
-   "id": "1fa2396d",
+   "id": "be12194e",
    "metadata": {},
    "outputs": [
     {
@@ -322,7 +314,7 @@
   {
    "cell_type": "code",
    "execution_count": 25,
-   "id": "23b3680d",
+   "id": "ac88b72c",
    "metadata": {},
    "outputs": [
     {
@@ -347,7 +339,7 @@
   {
    "cell_type": "code",
    "execution_count": 26,
-   "id": "8d98ffe4",
+   "id": "7232505b",
    "metadata": {},
    "outputs": [
     {
@@ -368,7 +360,7 @@
   {
    "cell_type": "code",
    "execution_count": 27,
-   "id": "e2933784",
+   "id": "99921509",
    "metadata": {},
    "outputs": [
     {
@@ -420,7 +412,7 @@
   {
    "cell_type": "code",
    "execution_count": 58,
-   "id": "79458c0c",
+   "id": "5031812c",
    "metadata": {},
    "outputs": [
     {
@@ -446,7 +438,7 @@
   {
    "cell_type": "code",
    "execution_count": 49,
-   "id": "6f5d6013",
+   "id": "8c342b97",
    "metadata": {},
    "outputs": [
     {
@@ -471,7 +463,7 @@
   {
    "cell_type": "code",
    "execution_count": 50,
-   "id": "4b15eb19",
+   "id": "9d3f1ce3",
    "metadata": {},
    "outputs": [
     {
@@ -498,7 +490,7 @@
   {
    "cell_type": "code",
    "execution_count": 51,
-   "id": "747397e0",
+   "id": "6d4ee79f",
    "metadata": {},
    "outputs": [
     {
@@ -557,7 +549,7 @@
   {
    "cell_type": "code",
    "execution_count": 53,
-   "id": "e7dafe90",
+   "id": "e2d02642",
    "metadata": {},
    "outputs": [
     {
@@ -580,7 +572,7 @@
   {
    "cell_type": "code",
    "execution_count": 54,
-   "id": "c2aad8e4",
+   "id": "e87aea97",
    "metadata": {},
    "outputs": [
     {
@@ -603,7 +595,7 @@
   {
    "cell_type": "code",
    "execution_count": 55,
-   "id": "4fa06697",
+   "id": "1693eec5",
    "metadata": {},
    "outputs": [
     {
@@ -626,7 +618,7 @@
   {
    "cell_type": "code",
    "execution_count": 56,
-   "id": "53214419",
+   "id": "2455e14e",
    "metadata": {},
    "outputs": [
     {
@@ -649,7 +641,7 @@
   {
    "cell_type": "code",
    "execution_count": 57,
-   "id": "4f4888fa",
+   "id": "818f2944",
    "metadata": {},
    "outputs": [
     {
@@ -674,7 +666,7 @@
    "id": "1585aa46",
    "metadata": {},
    "source": [
-    "### CodeSystem $subsumes "
+    "## CodeSystem $subsumes "
    ]
   },
   {
@@ -690,7 +682,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d08c6297",
+   "id": "bcd30601",
    "metadata": {},
    "source": [
     "# What else?\n",