diff --git a/src/lang/unfinished/frisian.txt b/src/lang/unfinished/frisian.txt
--- a/src/lang/unfinished/frisian.txt
+++ b/src/lang/unfinished/frisian.txt
@@ -2219,7 +2219,7 @@ STR_LAI_OBJECT_DESCRIPTION_COMPANY_OWNED_LAND                   :Lân fan bedriuw
 STR_ABOUT_OPENTTD                                               :{WHITE}Oer OpenTTD
 STR_ABOUT_ORIGINAL_COPYRIGHT                                    :{BLACK}Orizjineel copyright {COPYRIGHT} 1995 Chris Sawyer, All rights reserved
 STR_ABOUT_VERSION                                               :{BLACK}OpenTTD-ferzje {REV}
-STR_ABOUT_COPYRIGHT_OPENTTD                                     :{BLACK}OpenTTD {COPYRIGHT}2002-2014 It OpenTTD team
+STR_ABOUT_COPYRIGHT_OPENTTD                                     :{BLACK}OpenTTD {COPYRIGHT}2002-2015 It OpenTTD team
 
 # Save/load game/scenario
 STR_SAVELOAD_SAVE_CAPTION                                       :{WHITE}Spul Opslaan