diff --git a/js/app.js b/js/app.js
index 5a2c137..6e135ae 100644
--- a/js/app.js
+++ b/js/app.js
@@ -4260,8 +4260,10 @@ function buildCustomFieldRow(field, idx, rerender) {
     }
 
     // Reveal eye — only meaningful for secret fields.
+    // Two nearby toggles that look alike: the eye is a temporary peek, the lock
+    // changes what is stored. Spell that out — the visible effect overlaps.
     const eye = el('button', { class: 'icon-btn icon-btn-sm', type: 'button',
-                               title: 'Show / hide' });
+                               title: 'Reveal for now (does not change the setting)' });
     eye.appendChild(icon('i-eye'));
     // All button handlers below stopPropagation — see CLAUDE.md
     // "Click-outside-slideover bug" for why.
@@ -4281,7 +4283,9 @@ function buildCustomFieldRow(field, idx, rerender) {
     const secretBtn = el('button', {
         class: 'so-custom-secret-toggle' + (field.is_secret ? ' is-on' : ''),
         type: 'button',
-        title: field.is_secret ? 'Secret field — value hidden' : 'Public field',
+        title: field.is_secret
+            ? 'Stored as secret — masked every time it is opened. Click to make it public.'
+            : 'Public field — shown in clear. Click to store it as a secret.',
     }, field.is_secret ? '🔒' : '👁');
     secretBtn.addEventListener('click', ev => {
         ev.stopPropagation();