diff --git a/docs/documentation.pdf b/docs/documentation.pdf
index f59b43f..1eb07c3 100644
Binary files a/docs/documentation.pdf and b/docs/documentation.pdf differ
diff --git a/docs/documentation.tex b/docs/documentation.tex
index e294c9a..ab819ea 100644
--- a/docs/documentation.tex
+++ b/docs/documentation.tex
@@ -15,7 +15,7 @@
 \usepackage{hyperref}
 
 \input{spp}
-
+\pgfplotsset{compat=1.16}
 
 
 \titleformat{\chapter}[display]
@@ -29,22 +29,22 @@
 \date{\today}
 \makeindex
 
-
 \begin{document}
 \begin{titlepage}
  \begin{center}
  \includegraphics[scale=0.3,keepaspectratio=true]{figures/BerryLogo.png}
-% BerryLogo.png: 2310x2310 px, 300dpi, 19.56x19.56 cm, bb=0 0 554 554
+ \end{center}
 \vspace*{2cm}
 
-  \begin{Huge}{\bf berry} suite of programs  \end{Huge}
+ \begin{center}
+  \begin{Huge}{\bf berry} suite of programs\end{Huge}
   \vspace*{1cm}
 
- \begin{LARGE}Documentation              \end{LARGE}
+ \begin{LARGE}Documentation\end{LARGE}
   \vspace*{1cm}
 
 \begin{Huge}v.1.0\end{Huge}
-  \vspace*{0.5cm}
+  \vspace*{12cm}
 
 \today
  \end{center}
@@ -134,6 +134,24 @@ \section{PIP install}
   pip install berry-suite
 \end{verbatim}
 
+Alternatively, it can be downloaded from the github
+
+(https://ricardoribeiro-2020.github.io/berry/)
+
+extracted to a directory and from that directory run the command:
+\begin{verbatim}
+  pip install -e .
+\end{verbatim}
+
+For developers, the developer dependencies can be installed using:
+\begin{verbatim}
+  pip install berry-suite[dev]
+\end{verbatim}
+or
+\begin{verbatim}
+  pip install -e .[dev]
+\end{verbatim}
+
 
 \section{Requirements}
 
diff --git a/requirements.txt b/requirements.txt
index 1dac6c6..b8a2d4a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,6 @@
 argcomplete==2.0.0
 asttokens==2.2.1
 backcall==0.2.0
--e git+https://github.com/fabiocfabini/berry.git@9b7db5606145e4256f5f9a0bf9e44074c2ddc816#egg=berry_suite
 colorama==0.4.6
 contourpy==1.0.6
 cycler==0.11.0