diff --git a/source/exec.tex b/source/exec.tex
index 87444fbd26..6e99784a93 100644
--- a/source/exec.tex
+++ b/source/exec.tex
@@ -6534,7 +6534,7 @@
 \pnum
 \effects
 Adds \tcode{item} to the back of the queue and
-increments the \tcode{run_loop} instance's count by 1..
+increments the \tcode{run_loop} instance's count by 1.
 
 \pnum
 \sync