diff --git a/index.html b/index.html
index 18e9278..d29b96b 100644
--- a/index.html
+++ b/index.html
@@ -197,13 +197,13 @@
       </section>
 
       <section id="editSettingsTab" style="display:none;">
-        <label>Allow Duplicate Words
-          <input type="checkbox" id="editAllowDuplicates"><br>
-          <small>Checking this box will allow any number of the exact same spelling of a word to be added</small>
+        <label>Prevent Duplicate Words
+          <input type="checkbox" id="editPreventDuplicates"><br>
+          <small>Checking this box will prevent the creation of words with the exact same spelling.</small>
         </label>
         <label>Words are Case-Sensitive
           <input type="checkbox" id="editCaseSensitive"><br>
-          <small>Checking this box will allow any words spelled the same but with different capitalization to be added.</small>
+          <small>Checking this box will allow the creation of words with the exact same spelling if their capitalization is different.</small>
         </label>
         <label>Sort by Definition
           <input type="checkbox" id="editSortByDefinition"><br>
diff --git a/src/js/dictionaryManagement.js b/src/js/dictionaryManagement.js
index 86592ac..f6dddda 100644
--- a/src/js/dictionaryManagement.js
+++ b/src/js/dictionaryManagement.js
@@ -28,8 +28,9 @@ export function openEditModal() {
   document.getElementById('editOrthography').value = orthography.notes;
   document.getElementById('editGrammar').value = grammar.notes;
 
-  document.getElementById('editAllowDuplicates').checked = allowDuplicates;
+  document.getElementById('editPreventDuplicates').checked = !allowDuplicates;
   document.getElementById('editCaseSensitive').checked = caseSensitive;
+  if (allowDuplicates) document.getElementById('editCaseSensitive').disabled = true;
   document.getElementById('editSortByDefinition').checked = sortByDefinition;
   document.getElementById('editIsComplete').checked = isComplete;
   document.getElementById('editIsPublic').checked = isPublic;
@@ -54,7 +55,7 @@ export function save() {
   window.currentDictionary.details.orthography.notes = removeTags(document.getElementById('editOrthography').value.trim());
   window.currentDictionary.details.grammar.notes = removeTags(document.getElementById('editGrammar').value.trim());
 
-  window.currentDictionary.settings.allowDuplicates = document.getElementById('editAllowDuplicates').checked;
+  window.currentDictionary.settings.allowDuplicates = !document.getElementById('editPreventDuplicates').checked;
   window.currentDictionary.settings.caseSensitive = document.getElementById('editCaseSensitive').checked;
   window.currentDictionary.settings.sortByDefinition = document.getElementById('editSortByDefinition').checked;
   window.currentDictionary.settings.isComplete = document.getElementById('editIsComplete').checked;
diff --git a/src/js/setupListeners.js b/src/js/setupListeners.js
index 4da5ccb..ea79d3f 100644
--- a/src/js/setupListeners.js
+++ b/src/js/setupListeners.js
@@ -35,6 +35,7 @@ function setupDetailsTabs() {
     });
   });
   setupEditFormTabs();
+  setupEditFormInteractions();
   setupEditFormButtons();
 }
 
@@ -52,6 +53,22 @@ function setupEditFormTabs() {
   });
 }
 
+function setupEditFormInteractions() {
+  const preventDuplicatesBox = document.getElementById('editPreventDuplicates');
+  preventDuplicatesBox.addEventListener('change', () => {
+    console.log('changed');
+    const caseSensitiveBox = document.getElementById('editCaseSensitive');
+    if (preventDuplicatesBox.checked) {
+      console.log('checked');
+      caseSensitiveBox.disabled = false;
+    } else {
+      console.log('unchecked');
+      caseSensitiveBox.disabled = true;
+      caseSensitiveBox.checked = false;
+    }
+  });
+}
+
 function setupEditFormButtons() {
   document.getElementById('editSave').addEventListener('click', () => save());
   document.getElementById('editSaveAndClose').addEventListener('click', () => saveAndClose());