diff --git a/README.md b/README.md
index 37b8a0c..7296fff 100644
--- a/README.md
+++ b/README.md
@@ -60,11 +60,11 @@ PyQSO depends on the following Debian packages:
 * python3
 * python3-gi-cairo (for log printing purposes)
 
-The following extra packages are necessary to enable the grey line tool:
+The following extra packages are necessary to enable the grey line tool, the plotting of logbook statistics, and log printing:
 
+* python3-matplotlib (version 1.3.0 or later)
 * python3-mpltoolkits.basemap
 * python3-numpy
-* python3-matplotlib (version 1.3.0 or later)
 * libxcb-render0-dev
 * python3-cairocffi