diff --git a/src/lib.rs b/src/lib.rs
index fa09d1028..517d3bac1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1449,7 +1449,7 @@ pub trait Itertools : Iterator {
         count
     }
 
-    /// Combine all iterator elements into one String, seperated by `sep`.
+    /// Combine all iterator elements into one String, separated by `sep`.
     ///
     /// Use the `Display` implementation of each element.
     ///