diff --git a/src/distribution/categorical.rs b/src/distribution/categorical.rs
index 2bf5dc47..31bccf8b 100644
--- a/src/distribution/categorical.rs
+++ b/src/distribution/categorical.rs
@@ -12,7 +12,7 @@ use std::f64;
 /// # Examples
 ///
 /// ```
-///
+/// 
 /// use statrs::distribution::{Categorical, Discrete};
 /// use statrs::statistics::Distribution;
 /// use statrs::prec;