diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 3a88328b2..20cda85d9 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -13687,7 +13687,7 @@ namespace detail
 /*!
 @brief Default base class of the @ref basic_json class.
 
-So that the correct implementation of the copy / move ctors / assign operators
+So that the correct implementations of the copy / move ctors / assign operators
 of @ref basic_json do not require complex case distinctions
 (no base class / custom base class used as customization point),
 @ref basic_json always has a base class.