diff --git a/README.md b/README.md
index 7443d8f..bb68a62 100755
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ Software for seismicity clustering.
 
 Here a link to the ![Seiscloud logo](https://git.pyrocko.org/cesca/seiscloud/src/master/gx/seiscloud_logo.png)
 
+and to the ![Seiscloud manual](https://git.pyrocko.org/cesca/seiscloud/src/master/gx/seiscloud_manual.pdf)
+
 Please, contact me for further information and help: simone.cesca@gfz-potsdam.de
 
 ## Prerequisites
diff --git a/gx/seiscloud_manual.pdf b/gx/seiscloud_manual.pdf
new file mode 100644
index 0000000..a745b91
Binary files /dev/null and b/gx/seiscloud_manual.pdf differ
diff --git a/src/config.py b/src/config.py
index 3093f46..06c3244 100755
--- a/src/config.py
+++ b/src/config.py
@@ -62,9 +62,6 @@ class SeiscloudConfig(Object):
                     default=1.0)
     tmin = String.T(help='Minimum time', default='2000-01-01 00:00:00.000')
     tmax = String.T(help='Maximum time', default='2018-01-01 00:00:00.000')
-    time_window = Float.T(
-                    help='Window length (days) for time evolution of clusters',
-                    default=10.)
     time_window = String.T(
                     help='Window length (days) for time evolution of clusters',
                     default=10.)