Make it a little cleaner for the puzzle writer

example-puzzles/example/5/helpers.js

@@ -50,6 +50,7 @@ function helperExpandInputs(e) {
   // Add remove button
   let remove = document.createElement("button")
   remove.innerText = "➖"
+  remove.title = "Remove this input"
   remove.addEventListener("click", helperRemoveInput)
   newElement.appendChild(remove)
 

example-puzzles/example/5/puzzle.moth

@@ -34,7 +34,7 @@ Multiple concatenated values
 Free input, sorted, concatenated values
 <ul class="answer lower sort">
   <li><input></li>
-  <li><button class="expand">➕</button><li>
+  <li><button class="expand" title="Add another input">➕</button><l/i>
 </ul>
 
 Select from an ordered list of options