diff --git a/include/nlohmann/detail/output/serializer.hpp b/include/nlohmann/detail/output/serializer.hpp
index f1c0b051a..1d107ce04 100644
--- a/include/nlohmann/detail/output/serializer.hpp
+++ b/include/nlohmann/detail/output/serializer.hpp
@@ -422,7 +422,7 @@ class serializer
                         case error_handler_t::ignore:
                         case error_handler_t::replace:
                         {
-                            // in case we saw this chatacter the first time, we
+                            // in case we saw this character the first time, we
                             // would like to read it again, because the byte
                             // may be OK for itself, but just not OK for the
                             // previous sequence
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 025dfeafa..be3f84174 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -10374,7 +10374,7 @@ class serializer
                         case error_handler_t::ignore:
                         case error_handler_t::replace:
                         {
-                            // in case we saw this chatacter the first time, we
+                            // in case we saw this character the first time, we
                             // would like to read it again, because the byte
                             // may be OK for itself, but just not OK for the
                             // previous sequence