diff --git a/rc.md b/rc.md
index 255cade3a..80df5b25c 100644
--- a/rc.md
+++ b/rc.md
@@ -1,4 +1,6 @@
 # rc
 
+- I keep a [[functions]] file.
+
 https://twitter.com/flancian/status/1375511684186398720