diff --git a/linux-dictionary.tex b/linux-dictionary.tex
index cd106b6..9e8cc98 100644
--- a/linux-dictionary.tex
+++ b/linux-dictionary.tex
@@ -411,7 +411,7 @@ Additional modern abbreviations used include:
 \subsection{tail -- zip}
 \end{centering}
 
-\item[tail] 
+\item[tail]  A command line utility for printing data from the end of a specified file or files to \texttt{stdout}. It is useful for monitoring log files.
 
 \item[tar] A command for archiving files into tarballs. As a noun, it is also shorthand for the tarball itself.