diff --git a/fmmdset/fmmdset.tex b/fmmdset/fmmdset.tex
index e09d727..9235b25 100644
--- a/fmmdset/fmmdset.tex
+++ b/fmmdset/fmmdset.tex
@@ -269,7 +269,7 @@ even though they may have accompanying diagnostic data.
 
 
 The hierarchy is of the form of a directed acyclic graph. It is permissible, for instance, to
-create a functional group from components at different levels of ifailure mode abstraction.
+create a functional group from components at different levels of failure mode abstraction.
 
 \cite{sem}