diff --git a/source/containers.tex b/source/containers.tex
index b67726a611..eae9733ca1 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -3873,7 +3873,7 @@
 
 \pnum
 \complexity
-Logarithmic,
+Logarithmic.
 \end{itemdescr}
 
 \indexordmem{upper_bound}%