fix prompt concatenation loop

sketch.js

@@ -20,12 +20,15 @@ async function textGenTask(pre, prompt, blanks){
   
   // Create concatenated prompt array including preprompt and all variable prompts
   let promptArray = []
-  promptArray.push(pre)
+  promptArray.push(pre) // add preprompt to the list of prompts
+
+  // fill in blanks from our sample prompt and make new prompts
   blanks.forEach(b => {
     let p = prompt.replace('[BLANK]', b) // replace the string segment with an idem from the blanksArray
-    promptArray.push(pre + p) // add the new prompt to the list we created
+    promptArray.push(p) // add the new prompt to the list we created
   })
-  
+
+  // create combined fill prompt
   let INPUT = promptArray.toString()
   console.log(promptArray)
   // let INPUT = pre + prompt // simple concatenated input