diff --git a/source/classes.tex b/source/classes.tex
index 742e3c6493..25307a3a66 100644
--- a/source/classes.tex
+++ b/source/classes.tex
@@ -5524,7 +5524,7 @@
 Unless the
 \grammarterm{mem-initializer-id}
 names the constructor's class,
-a non-static data member of the constructor's class, or
+a direct non-static data member of the constructor's class, or
 a direct or virtual base of that class,
 the
 \grammarterm{mem-initializer}