Fix tutorial typo reported by Partrick P, closes Issue 3348

Doc/Tutorial.tex

@@ -80,7 +80,7 @@
 
 \author{Jeff Chang, Brad Chapman, Iddo Friedberg, Thomas Hamelryck, \\
 Michiel de Hoon, Peter Cock, Tiago Antao, Eric Talevich, Bartek Wilczy\'{n}ski}
-\date{Last Update -- 17 April 2012 (Biopython 1.59+)}
+\date{Last Update -- 3 May 2012 (Biopython 1.59+)}
 
 %Hack to get the logo at the start of the HTML front page:
 %(hopefully this isn't going to be too wide for most people)
@@ -1846,7 +1846,7 @@ \subsection{Locations}
 
 \subsection{Sequence}
 
-A \verb|SeqFeature| object doesn't directly contain a sequence, instead its location (see Section~\ref{sec:locations}) describes how to get this from the parent sequence. For example consider a (short) gene sequence with location 5:18 on the reverse strand, which in GenBank/EMBL notation using 1-based counting would be \texttt{complement(4..18)}, like this:
+A \verb|SeqFeature| object doesn't directly contain a sequence, instead its location (see Section~\ref{sec:locations}) describes how to get this from the parent sequence. For example consider a (short) gene sequence with location 5:18 on the reverse strand, which in GenBank/EMBL notation using 1-based counting would be \texttt{complement(6..18)}, like this:
 
 %doctest
 \begin{verbatim}