diff --git a/source/ub.tex b/source/ub.tex
index e67b430d6c..6920c10084 100644
--- a/source/ub.tex
+++ b/source/ub.tex
@@ -220,7 +220,7 @@
 \end{example}
 
 
-\rSec2[ub.basic.stc.dynamic]{Dyanmic storage Duration}
+\rSec2[ub.basic.stc.dynamic]{Dynamic storage Duration}
 
 \pnum
 \ubxref{basic.stc.alloc.dealloc.constraint} \\