diff --git a/manual/configure_rockbox/file_view.tex b/manual/configure_rockbox/file_view.tex
index 50ef547f89..3d5b022181 100644
--- a/manual/configure_rockbox/file_view.tex
+++ b/manual/configure_rockbox/file_view.tex
@@ -37,6 +37,15 @@ displays files.
   \item[Playlists:] The \setting{File Browser} displays only directories and playlists,
     for simplified navigation.
   \end{description}
+
+\item[\label{ref:ShowExtensions}Show Filename Extensions:]
+  This option controls how file extensions are shown in the File Browser.
+  %
+  \begin{description}
+  \item[Off:] The file extensions are never shown.
+  \item[On:] The file extensions are always shown.
+  \item[Only Unknown:] Only the extensions of unknown filetypes are shown.
+  \end{description}
   
 \item[Follow Playlist:] 
   This option determines what directory the \setting{File Browser} displays