Fix 393--401.

1 files changed, 1 insertions, 1 deletions

diff --git a/sec/encoding.ltx b/sec/encoding.ltx
index 76bd922..4d1ce74 100644
--- a/sec/encoding.ltx
+++ b/sec/encoding.ltx
@@ -17,7 +17,7 @@ of seven phases are:
 \item encoding lists using eliminators.
 \item introducing unions to encode sums as a tagged union.
 \item encoding products as an indexed union.
-\item encoding unnions of System~T types.
+\item encoding unions of System~T types.
 \item removing syntactic sugar we introduced, such as the \arb{} operator that
   represents an arbitrary value of a given type.
 \end{enumerate}