diff --git a/src/board.rs b/src/board.rs
index b8bcc8f..5db92f1 100644
--- a/src/board.rs
+++ b/src/board.rs
@@ -5,8 +5,8 @@ use crate::bitboard::*;
 macro_rules! container {
     ($v:vis, $a:ident, $b:ident, $n:literal) => {
         #[doc = "Container with values for each [`"]
-		#[doc = stringify!($a)]
-		#[doc = "`]."]
+                #[doc = stringify!($a)]
+                #[doc = "`]."]
         #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
         $v struct $b<T>(pub(crate) [T; $n]);
         #[allow(unused)]