diff --git a/build.rs b/build.rs
index 63ac78b..b596729 100644
--- a/build.rs
+++ b/build.rs
@@ -1,6 +1,5 @@
 use std::process::Command;
 fn main() {
-    // note: add error checking yourself.
     let output = Command::new("git").args(&["rev-parse", "HEAD"]).output().unwrap();
     let git_hash = String::from_utf8(output.stdout).unwrap();
     println!("cargo:rustc-env=GIT_HASH={}", git_hash);