diff --git a/docs/content/en/integration/openid-connect/bookstack/index.md b/docs/content/en/integration/openid-connect/bookstack/index.md
index c26e341c5..91aae3659 100644
--- a/docs/content/en/integration/openid-connect/bookstack/index.md
+++ b/docs/content/en/integration/openid-connect/bookstack/index.md
@@ -33,6 +33,12 @@ This example makes the following assumptions:
 * __Client ID:__ `bookstack`
 * __Client Secret:__ `bookstack_client_secret`
 
+*__Important Note:__ Bookstack does not properly URL encode the secret per [RFC6749 Appendix B] at the time this
+article was last updated (noted at the bottom). This means you'll either have to use only alphanumeric characters for
+the secret or URL encode the secret yourself.*
+
+[RFC6749 Appendix B]: https://www.rfc-editor.org/rfc/rfc6749#appendix-B
+
 ## Configuration
 
 ### Application
diff --git a/docs/content/en/integration/openid-connect/cloudflare-zerotrust/index.md b/docs/content/en/integration/openid-connect/cloudflare-zerotrust/index.md
index 1193f7b8f..026582fe7 100644
--- a/docs/content/en/integration/openid-connect/cloudflare-zerotrust/index.md
+++ b/docs/content/en/integration/openid-connect/cloudflare-zerotrust/index.md
@@ -31,8 +31,11 @@ This example makes the following assumptions:
 * __Client ID:__ `cloudflare`
 * __Client Secret:__ `cloudflare_client_secret`
 
-*__Important Note:__ Cloudflare does not properly URL encode the secret. This means you'll either have to use
-only alphanumeric characters for the secret or URL encode it yourself.*
+*__Important Note:__ Cloudflare does not properly URL encode the secret per [RFC6749 Appendix B] at the time this
+article was last updated (noted at the bottom). This means you'll either have to use only alphanumeric characters for
+the secret or URL encode the secret yourself.*
+
+[RFC6749 Appendix B]: https://www.rfc-editor.org/rfc/rfc6749#appendix-B
 
 ## Configuration