Fix ifcdoc command typo (#176)

Author: GabrielDosReis

ltx/words.tex

@@ -892,7 +892,7 @@ \subsubsection{\valueTag{WordSort::Keyword}}
 \ifcdoc{Volatile}{SourceKeyword} A reserved word for ``\code{volatile}''.
 \ifcdoc{WcharT}{SourceKeyword} A reserved word for ``\code{wchar_t}''.
 \ifcdoc{While}{SourceKeyword} A reserved word for ``\code{while}''.
-\ifdoc{BindTemporaryToReference} A reserved word for ``\code{__reference_constructs_from_temporary}''.
+\ifcdoc{BindTemporaryToReference} A reserved word for ``\code{__reference_constructs_from_temporary}''.
 \ifcdoc{ConvertTemporaryToReference} A reserved word for ``\code{__reference_converts_from_temporary}''.