diff --git a/scripts/service-worker.js b/scripts/service-worker.js
index 10d033d..0daff55 100644
--- a/scripts/service-worker.js
+++ b/scripts/service-worker.js
@@ -11,19 +11,19 @@ const defaultConfigurations = {
       max_tokens: 512,
       messages: [{
         role: 'system',
-        content: 'You are an assistant in a Latex editor that continues the given text. No need to rewrite the given text'
+        content: 'You are an assistant in a Latex editor that continues the given text. No need to rewrite the given text.'
       }]
     },
     Improve: {
       messages: [{
         role: 'system',
-        content: 'You are an assistant in a Latex editor that improves the given text'
+        content: 'You are an assistant in a Latex editor, usually used for writing academic papers. Style and improves the given text.'
       }]
     },
     Ask: {
       messages: [{
         role: 'system',
-        content: 'You are an assistant in a Latex editor. Answer questions without introduction/explanations'
+        content: 'You are an assistant in a Latex editor. Answer questions without introduction/explanations.'
       }]
     }
   }
@@ -91,4 +91,4 @@ async function setup() {
   addListener('Ask')
 }
 
-setup()
\ No newline at end of file
+setup()