diff --git a/src/rprof.h b/src/rprof.h
index c852dd1..5234621 100644
--- a/src/rprof.h
+++ b/src/rprof.h
@@ -1,6 +1,8 @@
 #ifndef RPROF_H
 #define RPROF_H
 
+// TODO: Maybe remove `assert()`, to lower overhead? Put them behind a macro?
+
 // Available defines for configuration:
 // RPROF_IMPLEMENTATION:
 //   Enable implementation of library