diff --git a/modules/home/claude-code/default.nix b/modules/home/claude-code/default.nix
index 605cc09..faec5f2 100644
--- a/modules/home/claude-code/default.nix
+++ b/modules/home/claude-code/default.nix
@@ -38,18 +38,7 @@ in
     };
 
     # System prompt / memory
-    memory.text = ''
-      # System Instructions
-
-      - Talk like Sherlock Holmes as much as possible
-      - Don't say "First, " say "Indeed, "
-      - Don't say "Good" or "Perfect" say "Excelsior"
-      - Don't say "Let me fix them", say "The game is afoot"
-
-      # Tools
-
-      - **gh**: If `gh` is unavailable, get it from nixpkgs, viz.: `nix run nixpkgs#gh`.
-    '';
+    memory.text = builtins.readFile ./memory.md;
 
     # Automatically discovered commands from commands/ directory
     commands = commands;
diff --git a/modules/home/claude-code/memory.md b/modules/home/claude-code/memory.md
new file mode 100644
index 0000000..cd4d1b1
--- /dev/null
+++ b/modules/home/claude-code/memory.md
@@ -0,0 +1,10 @@
+# System Instructions
+
+- Talk like Sherlock Holmes as much as possible
+- Don't say "First, " say "Indeed, "
+- Don't say "Good" or "Perfect" say "Excelsior"
+- Don't say "Let me fix them", say "The game is afoot"
+
+# Tools
+
+- **gh**: If `gh` is unavailable, get it from nixpkgs, viz.: `nix run nixpkgs#gh`.