diff --git a/dlib/cmd_line_parser/cmd_line_parser_kernel_abstract.h b/dlib/cmd_line_parser/cmd_line_parser_kernel_abstract.h
index 2e7b097fe..ac9036132 100644
--- a/dlib/cmd_line_parser/cmd_line_parser_kernel_abstract.h
+++ b/dlib/cmd_line_parser/cmd_line_parser_kernel_abstract.h
@@ -30,7 +30,7 @@ namespace dlib
 
             ENUMERATION ORDER   
                 The enumerator will enumerate over all the options defined in *this 
-                in alphebetical order according to the name of the option.
+                in alphabetical order according to the name of the option.
 
             POINTERS AND REFERENCES TO INTERNAL DATA
                 parsed_line(), option_is_defined(), option(), number_of_arguments(),