diff --git a/coder.py b/coder.py
index 2c15ceb7b..06632e68b 100755
--- a/coder.py
+++ b/coder.py
@@ -18,10 +18,8 @@ openai.api_key = os.getenv("OPENAI_API_KEY")
 
 prompt_webdev = '''
 I want you to act as a web development expert.
-I want you to answer only with code.
-Make the requested change to the provided code and output the changed code.
-MAKE NO OTHER CHANGES!
-Do not provide explanations!
+You are to carefully study the provided code and follow the user instructions.
+Be detail oriented, explicit and thorough in following user instructions.
 '''
 
 class Chat:
@@ -33,8 +31,20 @@ class Chat:
     def request(self, prompt):
         self.request_prompt = prompt
 
-    def run(self):
-        prompt = self.request_prompt + '\n###\n'
+    def plan(self):
+        prompt = '''
+Briefly describe all the code changes needed to complete the user request.
+Think carefully about the code and the request!
+Just describe ALL the changes needed to complete the request.
+Just describe the changes, don't output code for them.
+Be thorough. Describe ALL the changes needed to complete the request.
+Only describe changes related to the request.
+Don't output the changed code!
+Just briefly describe the changes.
+
+Request:
+'''
+        prompt += self.request_prompt + '\n###\n'
 
         for fname in self.fnames:
             prompt += '\n'
@@ -43,36 +53,70 @@ class Chat:
             prompt += fname.read_text()
             prompt += '\n```\n'
 
-        messages = [
+        ###
+        #print(self.system_prompt)
+        #print(prompt)
+        #sys.exit()
+
+        self.messages = [
             dict(role = 'system', content = self.system_prompt),
             dict(role = 'user', content = prompt),
         ]
+        self.plan = self.send(self.messages)
+        self.messages.append(dict(role = 'assistant', content = self.plan))
 
+    def send(self, messages):
         completion = openai.ChatCompletion.create(
             model="gpt-3.5-turbo",
             messages=messages,
-            stream = True
+            temperature=0,
+            stream = True,
         )
+        resp = []
         for chunk in completion:
             try:
                 text = chunk.choices[0].delta.content
+                resp.append(text)
             except AttributeError:
                 continue
             sys.stdout.write(text)
             sys.stdout.flush()
 
+        print()
+        print('='*40)
+
+        resp = ''.join(resp)
+        return resp
+
+    def update_files(self):
+        for fname in self.fnames:
+            self.update_file(fname)
+
+    def update_file(self, fname):
+        messages = list(self.messages)
+        messages.append(
+            dict(role = 'user',
+                 content = f'''
+Make the requested changes to {fname.name} and output the changed code.
+MAKE NO OTHER CHANGES!
+JUST OUTPUT CODE.
+NO EXPLANATIONS.
+'''
+            ))
+        new_content = chat.send(messages)
+        fname.write_text(new_content)
 
 chat = Chat()
 
 chat.system(prompt_webdev)
 
-chat.request('''
-Replace *ALL* the speaker icons with a speech bubble icon.
-''')
-
 dname = Path('../easy-chat')
 chat.file(dname / 'index.html')
-chat.file(dname / 'chat.js')
 chat.file(dname / 'chat.css')
+chat.file(dname / 'chat.js')
 
-chat.run()
+chat.request('Change ALL the speaker icons to speech bubble icons.')
+
+chat.plan()
+
+chat.update_files()