diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c120be..2bd94b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,84 +1,85 @@
 #cmake < 3.1 has no sane way of checking C++11 features and needed flags
 cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
 
 project(kdiff3)
 
 set(CMAKE_CXX_EXTENSIONS OFF ) #don't use non-standard extentions
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(ECM_MIN_VERSION "1.7.0")
 set(QT_MIN_VERSION "5.6.0")
 set(KF5_MIN_VERSION "5.16.0")
 
 find_package(ECM ${ECM_MIN_VERSION} CONFIG REQUIRED)
 set(
     CMAKE_MODULE_PATH
     ${CMAKE_MODULE_PATH}
     ${ECM_MODULE_PATH}
     ${ECM_KDE_MODULE_DIR}
 )
 
 include(KDEInstallDirs)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings NO_POLICY_SCOPE)
 include(FeatureSummary)
 
 include(ECMInstallIcons)
 include(ECMAddAppIcon)
 # include(GenerateExportHeader)
 
 find_package(
     Qt5 ${QT_MIN_VERSION}
     CONFIG
     REQUIRED
     COMPONENTS
     Core
     Gui
     Widgets
     PrintSupport
 )
 
 find_package(
     KF5 ${KF5_MIN_VERSION}
     REQUIRED
     COMPONENTS
     I18n
     CoreAddons
     Crash
     DocTools
     IconThemes
 )
 
 
 set(KDiff3_LIBRARIES ${Qt5PrintSupport_LIBRARIES} KF5::I18n KF5::CoreAddons KF5::Crash KF5::IconThemes )
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     # I don't need warnings about wired things in comments.
     set(CLANG_WARNING_FLAGS -Wno-comment)
     set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} ${CLANG_WARNING_FLAGS}")
     set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} ${CLANG_WARNING_FLAGS}")
 endif()
 
 set(
     needed_features
     cxx_nullptr
+    cxx_override
 )
 
 
 add_definitions(
-    -DQT_DEPRECATED_WARNINGS #Get warnings from QT about deprated functions.
+    -DQT_DEPRECATED_WARNINGS #Get warnings from QT about deprecated functions.
     -DQT_NO_URL_CAST_FROM_STRING #implict casting from string to url does not always behave as you might think
 )
 #remove unnneeded errors
 remove_definitions(
-    -DQT_NO_CAST_FROM_ASCII #While a good idea in gerneral this triggers for many simple no translable strings
+    -DQT_NO_CAST_FROM_ASCII #While a good idea in gerneral this triggers for many simple non-translatable strings
     )
 
 add_subdirectory(src)
 add_subdirectory(doc)
 
 add_subdirectory(kdiff3fileitemactionplugin)
 
 ki18n_install(po)
 kdoctools_install(po)
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)