fix the help text

survey_guide.md

@@ -1,10 +1,10 @@
 **Thank you for agreeing to take part!**
 
 In this study, we study how developers interact with 
-commit message text generated by AI Assistant. Imagine 
-that you are in one of the JetBrains IDEs and writing a 
+commit message text generated by a LLM. Imagine 
+that you are in the IDE and writing a 
 commit message (the changes to the code are shown on the 
-left). You have generated a message using AI Assistant. 
+left). You have generated a message using a LLM. 
 You can see this generated message on the top right.
 However, the message will not necessarily be perfect! 
 
@@ -12,8 +12,9 @@ Now, _you need to edit the commit message_ so that it is good enough
 to publish to VCS. Please do this directly in the text 
 box. When you're done, press the "Submit" button: you
 will proceed to the next commit and the next generated
-message. Please, repeat the process for as many commits
-as you can.
+message. Please repeat the process for as many commits
+as you can. If you are stuck on some commit, feel free to skip it 
+using the button on the top right.
 
 During the study, we collect all keystrokes made _in a 
-text window_, as well as the resulting message,
+text window_, as well as the resulting message.