diff --git a/include/boost/unordered/detail/implementation.hpp b/include/boost/unordered/detail/implementation.hpp
index 9914683f..9dffde15 100644
--- a/include/boost/unordered/detail/implementation.hpp
+++ b/include/boost/unordered/detail/implementation.hpp
@@ -965,7 +965,7 @@ namespace boost {
 #endif
 
 ////////////////////////////////////////////////////////////////////////////
-// TRAITS TYPE DEDETION MECHANISM
+// TRAITS TYPE DETECTION MECHANISM
 //
 // Used to implement traits that use a type if present, or a
 // default otherwise.