From 08cee7da6e303f600bea30e19fdc666d18413360 Mon Sep 17 00:00:00 2001
From: JamesC <james.chiangwu@gmail.com>
Date: Fri, 1 Nov 2019 13:22:46 +0100
Subject: [PATCH] Fix typos in chapter 2.3 and 3.1

---
 2.3-tapscript.ipynb                     | 18 +++++++++---------
 3.1-degrading-multisig-case-study.ipynb |  2 +-
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/2.3-tapscript.ipynb b/2.3-tapscript.ipynb
index 4c1729959..22214ba42 100644
--- a/2.3-tapscript.ipynb
+++ b/2.3-tapscript.ipynb
@@ -131,7 +131,7 @@
     "\n",
     "Tapscript replaces the previous checkmultisig signature operation with OP_CHECKSIGADD. \n",
     "\n",
-    "This multisignature signature opcode requires the witness to provide a valid or invalid signature for each public key, thereby avoiding the need to waste signature verfication operations for each public key in k-of-n multisignature scripts.\n",
+    "This multisignature signature opcode requires the witness to provide a valid or invalid signature for each public key, thereby avoiding the need to waste signature verification operations for each public key in k-of-n multisignature scripts.\n",
     "\n",
     "* OP_CHECKSIGADD\n",
     "    * Equivalent to: `[OP_ROT][OP_SWAP][OP_CHECKSIG][OP_ADD]`\n",
@@ -322,7 +322,7 @@
    "source": [
     "#### 2.3.4 Example: Generating a `pkolder` tapscript\n",
     "\n",
-    "We construct a pkhasholder tapscript with the following locking conditions:\n",
+    "We construct a `pkolder` tapscript with the following locking conditions:\n",
     "\n",
     "* 2-of-2 MuSig public key\n",
     "* Delay of 20 blocks"
@@ -340,16 +340,16 @@
     "c_map, pk_musig = generate_musig_key([pubkey1, pubkey2])\n",
     "\n",
     "# Generate pkolder tapscript\n",
-    "pkhash_tapscript = TapLeaf()\n",
-    "pkhash_tapscript.construct_pkolder(pk_musig, 20)\n",
-    "print(\"Tapscript descriptor:\", pkhash_tapscript.desc, \"\\n\")\n",
+    "pkolder_tapscript = TapLeaf()\n",
+    "pkolder_tapscript.construct_pkolder(pk_musig, 20)\n",
+    "print(\"Tapscript descriptor:\", pkolder_tapscript.desc, \"\\n\")\n",
     "\n",
     "print(\"Tapscript operations:\")\n",
-    "for op in pkhash_tapscript.script:\n",
+    "for op in pkolder_tapscript.script:\n",
     "    print(op.hex()) if isinstance(op, bytes) else print(op)\n",
     "\n",
     "print(\"\\nSatisfying witness elements:\")\n",
-    "for element, value in pkhash_tapscript.sat:\n",
+    "for element, value in pkolder_tapscript.sat:\n",
     "    print(\"{}, {}\".format(element, value.hex()))"
    ]
   },
@@ -533,7 +533,7 @@
    "source": [
     "### Spending a single tapscript script commitment\n",
     "\n",
-    "The witness which can spend a single committed tapscript requires witness data which provides the satifying elements of the tapscript, and proof that the tapscript is committed to the witness program.\n",
+    "The witness which can spend a single committed tapscript requires witness data which provides the satisfying elements of the tapscript, and proof that the tapscript is committed to the witness program.\n",
     "\n",
     "* `[Stack element(s) satisfying tapscript]`\n",
     "* `[Tapscript]`\n",
@@ -554,7 +554,7 @@
    "source": [
     "#### Example 2.3.8:  Generate a single tapscript segwit v1 address\n",
     "\n",
-    "In this example, we construct segwit v1 output for spending along the single script path. We will reuse the previosuly generated segwit v1 witness program which has the `csahasholder` tapscript committed to it, and encode it to a bech32 address."
+    "In this example, we construct segwit v1 output for spending along the single script path. We will reuse the previously generated segwit v1 witness program which has the `csahasholder` tapscript committed to it, and encode it to a bech32 address."
    ]
   },
   {
diff --git a/3.1-degrading-multisig-case-study.ipynb b/3.1-degrading-multisig-case-study.ipynb
index 42f21f532..d60841c4b 100644
--- a/3.1-degrading-multisig-case-study.ipynb
+++ b/3.1-degrading-multisig-case-study.ipynb
@@ -274,7 +274,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "#### Construct a spending transction"
+    "#### Construct a spending transaction"
    ]
   },
   {