Fixup: class

Author: jensmaurer

source/classes.tex

@@ -3612,7 +3612,8 @@
 a declaration of a member function $G$
 corresponds\iref{basic.scope.scope} to a declaration of $F$,
 ignoring \grammarterm{trailing requires-clause}s,
-then $G$ \term{overrides}
+\indextext{override|see{function, virtual, override}}%
+then $G$ \defnx{overrides}{function!virtual!override}
 \begin{footnote}
 A function
 with the same name but a different parameter list\iref{over}