M2 language school course lecture

application/model/src/main/java/org/fuseri/model/dto/course/CourseCreateDto.java

@@ -28,10 +28,10 @@ public class CourseCreateDto {
 
     @NotNull(message = "Language type is required")
     @Valid
-    private LanguageTypeDto languageTypeDto;
+    private LanguageTypeDto language;
 
     @NotNull(message = "Proficiency level is required")
     @Valid
-    private ProficiencyLevelDto proficiencyLevelDto;
+    private ProficiencyLevelDto proficiency;
 
 }