diff --git a/coder.py b/coder.py
index 016f31f92..686e8a53a 100755
--- a/coder.py
+++ b/coder.py
@@ -73,10 +73,12 @@ class Coder:
 
         print()
         print('='*60)
-        try:
-            inp = input('> ')
-        except EOFError:
-            return
+        inp = ''
+        while not inp.strip():
+            try:
+                inp = input('> ')
+            except EOFError:
+                return
 
         print()
 
diff --git a/prompts.py b/prompts.py
index e3bcdd599..5f15e5ac2 100644
--- a/prompts.py
+++ b/prompts.py
@@ -17,7 +17,7 @@ the original chunk
 >>>>>>> UPDATED
 
 Here is an example for how to JUST add lines to a file, without altering any existing lines.
-This anchors the location of the new code in the file by including a few lines from the original file.
+This anchors the location of the new code in the file by including a few DISTINCTIVE lines from the original file.
 
 foo.py
 <<<<<<< ORIGINAL
@@ -38,16 +38,13 @@ files_content_prefix_edited = 'I made your suggested changes, here are the updat
 
 files_content_prefix_plain = 'Here are the files:\n\n'
 
-files_content_suffix = '''
-
-YOU CAN ONLY EDIT THESE FILES.
-NEVER REPLY WITH WHOLE FILES LIKE THIS!
-'''
+files_content_suffix = ''
 
 user_suffix = '''
 
+YOU CAN ONLY EDIT THE FILES I PROVIDED ABOVE!
 NEVER INCLUDE AN ENTIRE FILE IN YOUR REPLY!
-ONLY TELL ME CODE CHANGES BY USING ORIGINAL/UPDATED EDIT COMMANDS!
+TO SPECIFY CODE CHANGES YOU MUST USE THE ORIGINAL/UPDATED EDIT COMMANDS!
 '''
 
 ### EDITOR