diff --git a/web/main.js b/web/main.js
index 6511b0e..324f165 100644
--- a/web/main.js
+++ b/web/main.js
@@ -785,6 +785,9 @@ async function createBuildingModal(data) {
   body.innerHTML = `
     <div id="build-info"></div>
     <pre id="build-error"></pre>
+  <p style="font-size: 0.85em; color: #888; margin-top: 5px;">
+  Initial model pushing may take several minutes. Models are cached and will be reused in subsequent pushing.
+  </p>
   `;
 
   const buttonContainer = document.createElement("div");