diff --git a/.changeset/purple-melons-scream.md b/.changeset/purple-melons-scream.md
new file mode 100644
index 0000000000..a7add52822
--- /dev/null
+++ b/.changeset/purple-melons-scream.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-api-docs': patch
+---
+
+Update readme to add instructions for custom api base URL