SF Patch #1093896:  miscellaneous doc typos
diff --git a/Doc/lib/libcmath.tex b/Doc/lib/libcmath.tex
index 465c8fd..54e0cdb 100644
--- a/Doc/lib/libcmath.tex
+++ b/Doc/lib/libcmath.tex
@@ -136,7 +136,7 @@
 
 \begin{seealso}
   \seetext{Kahan, W:  Branch cuts for complex elementary functions;
-           or, Much ado about nothings's sign bit.  In Iserles, A.,
+           or, Much ado about nothing's sign bit.  In Iserles, A.,
            and Powell, M. (eds.), \citetitle{The state of the art in
            numerical analysis}. Clarendon Press (1987) pp165-211.}
 \end{seealso}