diff --git a/source/numerics.tex b/source/numerics.tex
index 016b42d8b2..529ed10969 100644
--- a/source/numerics.tex
+++ b/source/numerics.tex
@@ -7919,7 +7919,7 @@
 
 \pnum
 \returns
-\tcode{*this}
+\tcode{*this}.
 
 \pnum
 \remarks