luatex error on this forced hyphenation

luatex complained it didn't know what \- was

ruthesis.sty

@@ -168,6 +168,7 @@
 \aliaspagestyle{title}{empty}
 %% ----- COPYRIGHT PAGE -----------------------------------------------------------------------
 \RequirePackage{ccicons}
+\hyphenation{Non-Com-mercial}
 \newcommand{\copyrightpage}[1]{
   % actually in books, this is often on the left side
   \begin{coverleft}
@@ -177,7 +178,7 @@
         Copyright \textcopyright{} \the\year{} \theauthor{} \ccbyncnd
       \end{flushleft}
       This work is licensed under the Creative Commons
-      Attribution-NonCom\-mercial-NoDerivatives 4.0 International License
+      Attribution-NonCommercial-NoDerivatives 4.0 International License
       (\url{http://creativecommons.org/licenses/by-nc-nd/4.0/}). You may
       copy and redistribute the material in any medium or format, provide
       appropriate credit, link to the license and indicate what changes you made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform or build upon the material, you may not distribute the modified material.