Try to make labels a bit more consistent

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/DebugUIMessages.properties

@@ -49,25 +49,25 @@ JavaPrimitivesPreferencePage_1=Display options for primitive values
 
 JavaStackFramesPreferencePage_title=Stack Frame Colors
 JavaStackFramesPreferencePage_description=Color of the Stack Frames set accordingly to these filters when 'Mark Stack Frames differently' toggle is activated.
-JavaStackFramesPreferencePage__Color_stack_frames=Mark Stack Frames differently
+JavaStackFramesPreferencePage__Color_stack_frames=Mark stack frames differently
 JavaStackFramesPreferencePage__Collapse_stack_frames=Collapse non relevant stack frames
-JavaStackFramesPreferencePage_Defined_stack_frame_filters_for_platform=Filters to define &Platform methods:
-JavaStackFramesPreferencePage_Defined_custom_stack_frame_filters=Filters for High&lighting stack frames:
+JavaStackFramesPreferencePage_Defined_stack_frame_filters_for_platform=Filters to define &platform methods:
+JavaStackFramesPreferencePage_Defined_custom_stack_frame_filters=Filters for highlighted stack frames:
 JavaStackFramesPreferencePage_Appearance_of_stack_frames=&Appearance of the stack frames:
-JavaStackFramesPreferencePage_fg_color=&Foreground Color
-JavaStackFramesPreferencePage_bg_color=&Background Color
+JavaStackFramesPreferencePage_fg_color=&Foreground color
+JavaStackFramesPreferencePage_bg_color=&Background color
 JavaStackFramesPreferencePage_category_custom_filter=Highlighted methods
 JavaStackFramesPreferencePage_category_synthetic=Synthetic methods
 JavaStackFramesPreferencePage_category_platform=Platform methods
-JavaStackFramesPreferencePage_category_test=Your Test code
-JavaStackFramesPreferencePage_category_production=Your Source code
+JavaStackFramesPreferencePage_category_test=Your test code
+JavaStackFramesPreferencePage_category_production=Your source code
 JavaStackFramesPreferencePage_category_library=Library code
-JavaStackFramesPreferencePage_Filter_custom=Mark &Highlighted stack frames differently
-JavaStackFramesPreferencePage_Filter_synthetic=Mark S&ynthetic methods differently
-JavaStackFramesPreferencePage_Filter_platform=Mark &Platform methods differently
-JavaStackFramesPreferencePage_Filter_test=Mark Your &Test code differently
-JavaStackFramesPreferencePage_Filter_production=Mark Your &Source code differently
-JavaStackFramesPreferencePage_Filter_library=Mark &Library code differently
+JavaStackFramesPreferencePage_Filter_custom=Mark &highlighted stack frames differently
+JavaStackFramesPreferencePage_Filter_synthetic=Mark s&ynthetic methods differently
+JavaStackFramesPreferencePage_Filter_platform=Mark &platform methods differently
+JavaStackFramesPreferencePage_Filter_test=Mark your &test code differently
+JavaStackFramesPreferencePage_Filter_production=Mark your &source code differently
+JavaStackFramesPreferencePage_Filter_library=Mark &library code differently
 
 JavaStackFramesPreferencePage_Add__Filter=Add &Filter...
 JavaStackFramesPreferencePage_Add__Package=Add &Packages...