diff --git a/source/classes.tex b/source/classes.tex
index 77105a2dbd..bc0e6d545f 100644
--- a/source/classes.tex
+++ b/source/classes.tex
@@ -2125,7 +2125,7 @@
     selects a constructor that is either deleted or not trivial, or
   \item
     \tcode{X} has a variant member \tcode{V} of
-    class type \tcode{M} (or possibly multi-dimensional array thereof)
+    class type \tcode{M} (or possibly multidimensional array thereof)
     where \tcode{V} has a default member initializer and
     \tcode{M} has a destructor that is non-trivial, or,
   \end{itemize}