diff --git a/doc/dseries-and-reporting/dseriesReporting.tex b/doc/dseries-and-reporting/dseriesReporting.tex
index 09e749f546d8250f09906f9fe02deac5c9ca43e3..2adcec2bd4d71fa31739f7381589ac6aae3a99b2 100644
--- a/doc/dseries-and-reporting/dseriesReporting.tex
+++ b/doc/dseries-and-reporting/dseriesReporting.tex
@@ -170,7 +170,7 @@ X =
     \myitem The \texttt{dates} command creates an object that represents at least one date at a given frequency
     \myitem A \texttt{dates} object contains 3 members (fields):
     \begin{itemize}
-      \myitem{\textbf{\texttt{freq}}}: 1 (Annual), 4 (Quarterly), 12 (Monthly), 52 (Weekly)
+      \myitem{\textbf{\texttt{freq}}}: 1, `y' (Annual); 4, `q' (Quarterly); 12, `m' (Monthly); 52, `w' (Weekly)
       \myitem{\textbf{\texttt{ndat}}}: The number of dates
       \myitem{\textbf{\texttt{time}}}: An \texttt{ndat$\times$2} matrix; the 1\textsuperscript{st} col is the year and the 2\textsuperscript{nd} col is the period
     \end{itemize}