diff --git a/CH_02_01_end.py b/CH_02_01_end.py
index b79aaf9..e86b0a1 100644
--- a/CH_02_01_end.py
+++ b/CH_02_01_end.py
@@ -33,7 +33,7 @@ async def main():
         fetch_coroutines = []
         for url in urls:
             fetch_coroutines.append(fetch_args(session, url))
-        # waik up coroutines with gather
+        # wake up coroutines with gather
         data = await asyncio.gather(*fetch_coroutines)
         pprint(data)
 
diff --git a/CH_02_03/create_json.py b/CH_02_03/create_json.py
index d807ed5..b8c425d 100644
--- a/CH_02_03/create_json.py
+++ b/CH_02_03/create_json.py
@@ -28,7 +28,7 @@ async def main():
         TODO
         1. use 'await asyncio.gather' and 'fetch' to get repo names and avatar_urls
         2. use 'write_to_file' to create a json file with the results
-        3. text your code
+        3. test your code
             a. 'cd CH_02_03'
             b. 'python -m http.server'
         NOTE: Feel free to use CH_02_01_end.py for reference.
diff --git a/CH_03_02.py b/CH_03_02.py
index c605437..ce575da 100644
--- a/CH_03_02.py
+++ b/CH_03_02.py
@@ -34,7 +34,7 @@ async def main():
     chat_db = Chat("messages")
     await chat_db.start_db()
     await chat_db.save_message({"handle": "first_user", "message": "hey"})
-    await chat_db.save_message({"handle": "first_user", "message": "hey"})
+    await chat_db.save_message({"handle": "second_user", "message": "hey"})
     await chat_db.save_message({"handle": "second_user", "message": "What's up?"})
     await chat_db.save_message({"handle": "first_user", "message": "all good!"})
 
diff --git a/CH_03_03.py b/CH_03_03.py
index 16e8c14..5fc1761 100644
--- a/CH_03_03.py
+++ b/CH_03_03.py
@@ -37,7 +37,7 @@ async def main():
     chat_db = Chat("messages")
     await chat_db.start_db()
     await chat_db.save_message({"handle": "first_user", "message": "hey"})
-    await chat_db.save_message({"handle": "first_user", "message": "hey"})
+    await chat_db.save_message({"handle": "second_user", "message": "hey"})
     await chat_db.save_message({"handle": "second_user", "message": "What's up?"})
     await chat_db.save_message({"handle": "first_user", "message": "all good!"})
 
@@ -48,4 +48,4 @@ async def main():
         click.secho(f'  {message["handle"]} | {message["message"]} ', fg="cyan")
     await chat_db.clear_db()
 
-asyncio.run(main())
\ No newline at end of file
+asyncio.run(main())
diff --git a/CH_03_04.py b/CH_03_04.py
index 5c986dc..c9bc120 100644
--- a/CH_03_04.py
+++ b/CH_03_04.py
@@ -37,7 +37,7 @@ async def main():
     chat_db = Chat("messages")
     await chat_db.start_db()
     await chat_db.save_message({"handle": "first_user", "message": "hey"})
-    await chat_db.save_message({"handle": "first_user", "message": "hey"})
+    await chat_db.save_message({"handle": "second_user", "message": "hey"})
     await chat_db.save_message({"handle": "second_user", "message": "What's up?"})
     await chat_db.save_message({"handle": "first_user", "message": "all good!"})