diff --git a/Doc/lib/libcodecs.tex b/Doc/lib/libcodecs.tex
index ef4d11592b20..564abbde75fa 100644
--- a/Doc/lib/libcodecs.tex
+++ b/Doc/lib/libcodecs.tex
@@ -940,7 +940,7 @@ currently assumes query strings, so \code{AllowUnassigned} is
 true.
 \end{funcdesc}
 
-\begin{funcdesc}{ToASCCII}{label}
+\begin{funcdesc}{ToASCII}{label}
 Convert a label to \ASCII, as specified in \rfc{3490}.
 \code{UseSTD3ASCIIRules} is assumed to be false.
 \end{funcdesc}