Fixups

Author: tkoeppe

source/classes.tex

@@ -6261,7 +6261,7 @@
 of constructors and destructors for the object declared by the
 \grammarterm{exception-declaration}.
 \begin{note}
-Since the exception object because is always an lvalue,
+Since the exception object is always an lvalue,
 it is never moved from, which would potentially be incorrect.
 \end{note}
 \end{itemize}