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-rw-r--r--doc/not-implemented.tex4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/not-implemented.tex b/doc/not-implemented.tex
index 3fd4d37..3934802 100644
--- a/doc/not-implemented.tex
+++ b/doc/not-implemented.tex
@@ -241,8 +241,8 @@ in the future if the demand is high enough.
}\), undefined for $n < 0$.
-\subsection{Failing factorial}
-\label{sec:Failing factorial}
+\subsection{Falling factorial}
+\label{sec:Falling factorial}
\( \displaystyle{
(x)_n = {x! \over (x - n)!}