diff --git a/crates/border-wars/src/hex.rs b/crates/border-wars/src/hex.rs
index 7462106..5d7adcc 100644
--- a/crates/border-wars/src/hex.rs
+++ b/crates/border-wars/src/hex.rs
@@ -58,7 +58,7 @@ impl<T: HexNumber> HexPosition<T> {
     /// let a = HexPosition { q: 0, r: 0 };
     /// let b = HexPosition { q: 1, r: 1 };
     ///
-    /// assert_eq!(a.distance_to(&b), 2.0);
+    /// assert_eq!(a.distance_to(&b), 2);
     /// ```
     pub fn distance_to(&self, other: &Self) -> T {
         // dx = |x1 - x2| where x = q