diff --git a/piker/ui/__init__.py b/piker/ui/__init__.py
index ace44590..a7fb1052 100644
--- a/piker/ui/__init__.py
+++ b/piker/ui/__init__.py
@@ -1,3 +1,6 @@
 """
-Stuff for your eyes.
+Stuff for your eyes, aka super hawt Qt UI components.
+
+Currently we only support PyQt5 due to this issue in Pyside2:
+https://bugreports.qt.io/projects/PYSIDE/issues/PYSIDE-1313
 """