diff --git a/src/types/operation_type.hpp b/src/types/operation_type.hpp
index 5665e79..29bceb4 100644
--- a/src/types/operation_type.hpp
+++ b/src/types/operation_type.hpp
@@ -22,13 +22,13 @@
     convDataOperationType = {
         {std::make_pair<std::string_view, OperationType>("SINGLE",
                                                          OperationType::single),
-         std::make_pair<std::string_view, OperationType>("MAX",
+         std::make_pair<std::string_view, OperationType>("Maximum",
                                                          OperationType::max),
-         std::make_pair<std::string_view, OperationType>("MIN",
+         std::make_pair<std::string_view, OperationType>("Minimum",
                                                          OperationType::min),
-         std::make_pair<std::string_view, OperationType>("AVG",
+         std::make_pair<std::string_view, OperationType>("Average",
                                                          OperationType::avg),
-         std::make_pair<std::string_view, OperationType>("SUM",
+         std::make_pair<std::string_view, OperationType>("Summation",
                                                          OperationType::sum)}};
 
 inline OperationType