diff --git a/source/containers.tex b/source/containers.tex
index 75d7eb97b7..db23f18448 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -11251,9 +11251,10 @@
 
 \pnum
 \returns
-An iterator pointing to the first element of \tcode{rg}
+The first iterator in the range
+\countedrange{ranges::begin(rg)}{n}
 that was not inserted into \tcode{*this},
-or \tcode{ranges::end(rg)} if no such element exists.
+where \tcode{n} is the number of elements in \tcode{rg}.
 
 \pnum
 \complexity