diff --git a/README.md b/README.md
index 0e39a29..77aaeeb 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,16 @@ Each entry maps a vault field to a [rofi key name](https://davatorium.github.io/
 The **first** entry is bound to rofi's accept key (`kb-accept-entry`). Additional entries become custom keybindings (`kb-custom-1`, `kb-custom-2`, …).
 
 
+## Inspired by
+
+- [rofi-rbw](https://github.com/fdw/rofi-rbw)
+
+
+## Limitations
+
+- **No collections support.** Entries are displayed with their folder path (e.g. `foldername/itemname`), but Bitwarden collections are not shown. This is a limitation of `rbw`, which [does not expose collection data](https://github.com/doy/rbw).
+
+
 ## Sway keybindings
 
 Example keybindings for `~/.config/sway/config`: