diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index d3a671d..1e22146 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -1,4 +1,4 @@
-// prerequisites: install TurboPFor library libic  
+// prerequisites: Install TurboPFor library libic under /usr/lib or /usr/local/lib  
 #![allow(non_upper_case_globals)]
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]