diff --git a/webui/html/assets/js/tabs/images.js b/webui/html/assets/js/tabs/images.js
index 0285e88..6ed3cd4 100644
--- a/webui/html/assets/js/tabs/images.js
+++ b/webui/html/assets/js/tabs/images.js
@@ -142,7 +142,7 @@ async function buildImage() {
   const outputBox = document.getElementById("buildOutput");
 
   if (!context || !dockerfile || !tag) {
-    alert("Vul context_dir, dockerfile en tag in.");
+    alert("Vul context_dir, Dockerfile/Containerfile en tag in.");
     return;
   }
 
@@ -400,4 +400,4 @@ function updateSortIndicators() {
   if (el) {
     el.textContent = imagesSort.dir === "asc" ? "▲" : "▼";
   }
-}
\ No newline at end of file
+}
diff --git a/webui/html/index.html b/webui/html/index.html
index 4db1234..c26cc43 100644
--- a/webui/html/index.html
+++ b/webui/html/index.html
@@ -344,9 +344,9 @@
       </div>
 
       <div class="formRow">
-        <label>Dockerfile</label>
+        <label>Dockerfile/Containerfile</label>
         <div class="row gap">
-          <input class="input" id="buildDockerfile" value="Dockerfile" style="flex:1;">
+          <input class="input" id="buildDockerfile" value="" style="flex:1;">
           <button class="btn" type="button" onclick="openDockerfilePicker()">Kies...</button>
         </div>
         <div class="muted" style="margin-top:6px;">
@@ -383,7 +383,7 @@
 <div class="modalBack" id="dfPickerBack" style="display:none;" onclick="closeDockerfilePicker(event)">
   <div class="modal" onclick="event.stopPropagation()" style="width:760px;">
     <div class="modalHeader">
-      <div class="modalTitle">Kies Dockerfile</div>
+      <div class="modalTitle">Kies Dockerfile/Containerfile</div>
       <button class="btn small ghost" onclick="hideDockerfilePicker()">Sluiten</button>
     </div>