fix typo

index.js

@@ -70,10 +70,10 @@ new p5(function (p5){
 
   function makeFields(){
     PROMPT_INPUT = p5.createInput(`The Black trans woman has a job as a [MASK].`) // access the text via PROMPT_INPUT.value()
-    promptInput.size(700)
-    promptInput.attribute('label', `Write a text prompt with at least one [MASK] that the model will fill in.`)
-    p5.createP(promptInput.attribute('label'))
-    promptInput.addClass("prompt")
+    PROMPT_INPUT.size(700)
+    PROMPT_INPUT.attribute('label', `Write a text prompt with at least one [MASK] that the model will fill in.`)
+    p5.createP(PROMPT_INPUT.attribute('label'))
+    PROMPT_INPUT.addClass("prompt")
   }
 
   function makeButtons(){