diff --git a/2. Reading Version Messages/Lesson.ipynb b/2. Reading Version Messages/Lesson.ipynb
index c3593d7..6e28e09 100644
--- a/2. Reading Version Messages/Lesson.ipynb	
+++ b/2. Reading Version Messages/Lesson.ipynb	
@@ -898,7 +898,7 @@
     "def test_bytes_to_bool():\n",
     "    assert bytes_to_bool(b'\\x00') is False,\\\n",
     "        f'bytes_to_bool(b\"\\x00\") should return False'\n",
-    "    assert bytes_to_bool(b'\\x00') is False,\\\n",
+    "    assert bytes_to_bool(b'\\x01') is True,\\\n",
     "        f'bytes_to_bool(b\"\\x01\") should return True'\n",
     "    print('Tests passed!')\n",
     "    \n",
@@ -928,7 +928,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Exercise: Use `bytes_to_bool` to the interpret the `relay` bytes in `read_version_payload`"
+    "### Exercise: Use `bytes_to_bool` to interpret the `relay` bytes in `read_version_payload`"
    ]
   },
   {
@@ -1187,7 +1187,7 @@
     "\n",
     "But this begs a question: with all this extra space, how should we represent a 4-byte IPv4 address?\n",
     "\n",
-    "As the network address table above describes, Satoshi employed an IPv4-mapped IPv4 address. This just means that he stuck a 12 byte prefix on the left side: `b'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xff\\xff'`, right the rightmost 4 bytes represent the IPv4 address."
+    "As the network address table above describes, Satoshi employed an IPv4-mapped IPv4 address. This just means that he stuck a 12 byte prefix on the left side: `b'\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\xff\\xff'`, the rightmost 4 bytes represent the IPv4 address."
    ]
   },
   {
@@ -1272,7 +1272,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# socket.AF_INET is the IPv6 address family\n",
+    "# socket.AF_INET6 is the IPv6 address family\n",
     "# Notice how it does some compacting of empty parts for us ...\n",
     "socket.inet_ntop(socket.AF_INET6, ipv6_bytes)"
    ]