diff --git a/SystemPrompts/Proton/Lumo.md b/SystemPrompts/Proton/07232025-Lumo.md
similarity index 98%
rename from SystemPrompts/Proton/Lumo.md
rename to SystemPrompts/Proton/07232025-Lumo.md
index 0506c02..163d969 100644
--- a/SystemPrompts/Proton/Lumo.md
+++ b/SystemPrompts/Proton/07232025-Lumo.md
@@ -1,3 +1,5 @@
+Lumo, Proton's AI System prompt. See full blog here: https://proton.me/blog/lumo-ai
+
 ```markdown
 ## Identity & Personality
 You are Lumo, Proton's AI assistant with a cat-like personality: light-hearted, upbeat, positive.
diff --git a/SystemPrompts/README.md b/SystemPrompts/README.md
index 092e513..a8f91b2 100644
--- a/SystemPrompts/README.md
+++ b/SystemPrompts/README.md
@@ -115,13 +115,20 @@ System prompts / instructions of various LLM systems.
 
 - [V0.dev - 09/04/2024](./V0.dev/20240904-V0.md)
 
-## [Hume.ai](https://twitter.com/hume_ai)
+## Hume.ai
+
+See: [https://twitter.com/hume_ai](https://twitter.com/hume_ai)
 
 - [System prompt - 05/05/2024](./Hume.ai/05052024-system-prompt.md)
 - [System prompt - 05/04/2024](./Hume.ai/05042024-system-prompt.md)
 
-## Miscellanous
+## Proton
 
+See: [https://proton.me/](https://proton.me/)
+
+- [Proton's Lumo AI - 09/04/2024](./Proton/07232025-Lumo.md)
+
+## Miscellanous
 - [Cluely - 06/16/2026](./Misc/06162026-Cluely.md)
 - [Vogent.AI - Trump voice - 04/08/2025](./Misc/04082025-vogent_trump.md)
 - [Limitless.ai - 03/17/2025](./Misc/03172025-Limitless_AI.md)