Update on-chain message

Author: Flouse

README.md

@@ -1,6 +1,6 @@
 # Time to `Hello World` on CKB
 
-The target of this tutorial is very simple: use CKB SDKs in various languages to write "Common Knowledge: Hello world!" into a cell on CKB testnet and check it on CKB explorer.
+The target of this tutorial is very simple: use CKB SDKs in various languages to write "Hello Common Knowledge Base!" into a cell on CKB testnet and check it on CKB explorer.
 
 ## Sample Code
 After installing Lumos, you can use it to send a transaction to CKB testnet, write a simple `Common Knowledge`: "Hello World" into a [cell](https://docs.nervos.org/docs/reference/cell/) on CKB.
@@ -26,7 +26,3 @@ https://github.com/Flouse/ckb-tthw/blob/dfdc7218838e29ef01507f9e368853b1ab3c6933
     or https://learn.svelte.dev/tutorial/auto-subscriptions
 
 ## Reference
-- [Lumos Examples](https://github.com/ckb-js/lumos/blob/develop/examples)
-  - Preview and interact with `simple transfer` code online through [codesandbox](https://codesandbox.io).
-    https://codesandbox.io/s/github/ckb-js/lumos/tree/develop/examples/secp256k1-transfer?file=/lib.ts
-  - etc.

js/README.md

@@ -1,6 +1,6 @@
-# Tutorial: Inscribe "Common Knowledge: Hello World!" to CKB Testnet
+# Tutorial: Inscribe "Hello Common Knowledge Base!" to CKB Testnet
 
-In this tutorial, you will learn how to write "`Common Knowledge: Hello World!`" into a cell on CKB testnet using [Lumos](https://github.com/ckb-js/lumos), a JavaScript/TypeScript library for Nervos CKB. You will also learn how to check the transaction on CKB explorer.
+In this tutorial, you will learn how to write "`Hello Common Knowledge Base!`" into a cell on CKB testnet using [Lumos](https://github.com/ckb-js/lumos), a JavaScript/TypeScript library for Nervos CKB. You will also learn how to check the transaction on CKB explorer.
 
 ## Prerequisites
 Before we begin, it is better that you have some basic knowledge of [Nervos CKB](https://ckbacademy.vercel.app/courses/basic-theory).
@@ -9,7 +9,7 @@ But if you don't, there's no need to worry, just follow this tutorial step by st
 
 ## Only 3 Steps
 
-Although some of the complexity is wrapped up, intuitively writing "Common Knowledge: Hello World!" into a cell on CKB testnet is really just `three steps`:
+Although some of the complexity is wrapped up, intuitively writing "Hello Common Knowledge Base!" into a cell on CKB testnet is really just `three steps`:
 
 https://github.com/Flouse/ckb-tthw/blob/dfdc7218838e29ef01507f9e368853b1ab3c6933/js/index.ts#L86-L94
 
@@ -49,7 +49,7 @@ This function is self-explanatory:
 
 ### Check the message on CKB explorer
 ![Check the message on CKB explorer](https://user-images.githubusercontent.com/1297478/236415697-c3a49e0d-eb8f-473e-a0c1-a587c20e5a42.png)
-The cell data is the hex format of "Common Knowledge: Hello world!".
+The cell data is the hex format of "Hello Common Knowledge Base!".
 
 
 ## Conclusion

js/index.ts

@@ -10,7 +10,7 @@ const testPrivKey = CHARLIE.PRIVATE_KEY;
 const testAccount: Account = generateAccountFromPrivateKey(testPrivKey);
 console.assert(testAccount.address === CHARLIE.ADDRESS);
 
-/** create a new transaction that adds a cell with the message "Common Knowledge: Hello world!" */
+/** create a new transaction that adds a cell with the message "Hello Common Knowledge Base!" */
 const constructHelloWorldTx = async (
   onChainMemo: string
 ): Promise<lumosHelpers.TransactionSkeletonType> => {
@@ -84,7 +84,7 @@ const signAndSendTx = async (
   console.log(`Explorer: ${CKB_TESTNET_EXPLORER}/address/${testAccount.address}\n\n`);
 
   // Step 1: this is the message that will be written on chain
-  const onChainMemo: string = "Common Knowledge: Hello world!";
+  const onChainMemo: string = "Hello Common Knowledge Base!";
 
   // Step 2: construct the transaction
   let txSkeleton = await constructHelloWorldTx(onChainMemo);