From 868c6002c3ddfa888791268f4a316b724321795f Mon Sep 17 00:00:00 2001
From: jetcookies <226018678+jetcookies@users.noreply.github.com>
Date: Wed, 11 Feb 2026 11:36:30 +0800
Subject: [PATCH] docs: add a hint to the docs encouraging users to utilize the
 binary cache

---
 README.md        | 2 ++
 docs/Building.md | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 5bbad6d..c48bf15 100644
--- a/README.md
+++ b/README.md
@@ -170,6 +170,8 @@ Or simply build it and link to the current directory:
 nix build github:librekeys/picoforge
 ```
 
+**Tip:** You can use our binary cache to save build time by allowing Nix to set extra-substitutes.
+
 #### b. without Flakes
 
 Download the package definition:
diff --git a/docs/Building.md b/docs/Building.md
index 8e96a6b..8638304 100644
--- a/docs/Building.md
+++ b/docs/Building.md
@@ -94,6 +94,8 @@ Or simply build it and link to the current directory:
 nix build github:librekeys/picoforge
 ```
 
+**Tip:** You can use our binary cache to save build time by allowing Nix to set extra-substitutes.
+
 #### b. without Flakes
 
 Download the package definition: