diff --git a/mdbx.h++ b/mdbx.h++
index 4be188bb..307e4175 100644
--- a/mdbx.h++
+++ b/mdbx.h++
@@ -376,7 +376,7 @@ using default_allocator = polymorphic_allocator;
 using default_allocator = legacy_allocator;
 #endif /* __cpp_lib_memory_resource >= 201603L */
 
-/// \brief Default singe-byte string.
+/// \brief Default single-byte string.
 template <class ALLOCATOR = legacy_allocator>
 using string = ::std::basic_string<char, ::std::char_traits<char>, ALLOCATOR>;