diff --git a/src/routes/arr/[id]/rename/+page.svelte b/src/routes/arr/[id]/rename/+page.svelte
index 360e75c3..6c880bbd 100644
--- a/src/routes/arr/[id]/rename/+page.svelte
+++ b/src/routes/arr/[id]/rename/+page.svelte
@@ -93,7 +93,7 @@
 				icon={FlaskConical}
 				iconColor="text-amber-600 dark:text-amber-400"
 				disabled={isNewConfig || !enabled || running || saving || $isDirty}
-				tooltip="Preview which files would be renamed without making changes"
+				tooltip="Preview which files would be renamed without making changes. Folder renames cannot be previewed."
 				tooltipPosition="bottom"
 				tooltipAlign="right"
 				on:click={() => {
diff --git a/src/routes/arr/[id]/rename/components/RenameInfoModal.svelte b/src/routes/arr/[id]/rename/components/RenameInfoModal.svelte
index 103cccfc..b4759f81 100644
--- a/src/routes/arr/[id]/rename/components/RenameInfoModal.svelte
+++ b/src/routes/arr/[id]/rename/components/RenameInfoModal.svelte
@@ -34,8 +34,9 @@
 				<div>
 					<dt class="font-medium text-neutral-900 dark:text-neutral-100">Dry Run</dt>
 					<dd class="text-neutral-600 dark:text-neutral-400">
-						Shows what would be renamed without making changes. Use this to preview before
-						committing.
+						Shows what files would be renamed without making changes. Use this to preview before
+						committing. Folder renames cannot be previewed because the Arr API does not support it,
+						so a live run may also rename folders not shown here.
 					</dd>
 				</div>
 				<div>