diff --git a/AGENTS.md b/AGENTS.md
index d3bc859c..209011a9 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -121,5 +121,5 @@ of it. Full standard: `../craftrules/standards/never-crash.md`
 → `ui-egui`, `mcp` (L5) → apps `lightcraft` (desktop), `lightcraft-cli` (render/commands/MCP). `scenes` generates demo
 photos. `xtask` = tooling (`ci`, `layers`, `assets`, `parity`, `wasm`, `corpus`, `stats`). `flake.nix` +
 `nix/package.nix` = the Nix package (`nix build` builds both binaries with the craft-fonts input, installs the
-desktop file/icons/AppStream metadata and runs `cargo test --workspace`; `nix develop` = dev shell). Keep it building
-when the workspace layout, `Cargo.lock`, the packaging files or the fonts change; see README → Quick start.
+desktop file/icons/AppStream metadata and runs `cargo test --workspace`; `nix develop` = dev shell). Community-maintained and not
+in CI: it may lag behind the workspace; see README → Quick start.
diff --git a/CLAUDE.md b/CLAUDE.md
index d3bc859c..209011a9 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -121,5 +121,5 @@ of it. Full standard: `../craftrules/standards/never-crash.md`
 → `ui-egui`, `mcp` (L5) → apps `lightcraft` (desktop), `lightcraft-cli` (render/commands/MCP). `scenes` generates demo
 photos. `xtask` = tooling (`ci`, `layers`, `assets`, `parity`, `wasm`, `corpus`, `stats`). `flake.nix` +
 `nix/package.nix` = the Nix package (`nix build` builds both binaries with the craft-fonts input, installs the
-desktop file/icons/AppStream metadata and runs `cargo test --workspace`; `nix develop` = dev shell). Keep it building
-when the workspace layout, `Cargo.lock`, the packaging files or the fonts change; see README → Quick start.
+desktop file/icons/AppStream metadata and runs `cargo test --workspace`; `nix develop` = dev shell). Community-maintained and not
+in CI: it may lag behind the workspace; see README → Quick start.
diff --git a/flake.nix b/flake.nix
index 918053ac..6869abf4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,7 +6,7 @@
     # release channel can retarget it: `inputs.lightcraft.inputs.nixpkgs.follows = "nixpkgs";`
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-    # Optional build input of the repository: the Japanese fonts (BIZ UDPGothic, BIZ UDMincho,
+    # Optional build input of the repository: the CJK fonts (BIZ UDPGothic, BIZ UDMincho, Noto Sans CJK SC,
     # Shippori Mincho) that `crates/engine/build.rs` embeds when `CRAFT_FONTS_DIR` is set. Official
     # releases always build with them; without them everything works but Japanese text has no
     # glyphs. Pinned to the revision the release workflow uses — bump deliberately
@@ -91,7 +91,7 @@
               RUST_BACKTRACE = "1";
             }
             // lib.optionalAttrs (craft-fonts != null) {
-              # Japanese glyphs in `cargo run` too; build.rs reads this as CRAFT_FONTS_DIR.
+              # CJK glyphs in `cargo run` too; build.rs reads this as CRAFT_FONTS_DIR.
               CRAFT_FONTS_DIR = toString craft-fonts;
             }
           );
diff --git a/nix/package.nix b/nix/package.nix
index 20b895c7..b364b5c4 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -6,8 +6,8 @@
 # Kept in step with the release workflow (.github/workflows/release.yml) and packaging/env.sh:
 #   * `Cargo.lock` drives the dependencies (`cargoLock`), so there is no vendorHash to bump — only
 #     crates.io, no git sources;
-#   * `CRAFT_FONTS_DIR` embeds the Japanese fonts from storytold/craft-fonts (the `craft-fonts`
-#     flake input); without it everything builds and runs, but Japanese text has no glyphs;
+#   * `CRAFT_FONTS_DIR` embeds the CJK fonts from storytold/craft-fonts (the `craft-fonts`
+#     flake input); without it everything builds and runs, but Japanese and Chinese text have no glyphs;
 #   * the desktop file, hicolor icons and AppStream metadata are the same files the .deb/.rpm ship
 #     (packaging/linux/), so `apt` and NixOS users see one identical LightCraft;
 #   * `doCheck` runs `cargo test --workspace`, what `cargo xtask ci` runs. `nix build` runs it too;
@@ -38,7 +38,7 @@
   # Adds the driver search path (/run/opengl-driver/lib) to the binaries' RPATH so wgpu finds the
   # installed Vulkan driver on NixOS. Optional: harmless on nixpkgs without it.
   autoAddDriverRunpath ? null,
-  # storytold/craft-fonts checkout (flake input). `null` builds without Japanese glyphs.
+  # storytold/craft-fonts checkout (flake input). `null` builds without CJK glyphs.
   craft-fonts ? null,
   # Release date for the AppStream metadata (YYYY-MM-DD); the flake derives it from its own commit.
   buildDate ? "1970-01-01",