diff --git a/sci-libs/libsvm/libsvm-3.22.ebuild b/sci-libs/libsvm/libsvm-3.22.ebuild
index a87166cdefcc5..57d4bbb5185f6 100644
--- a/sci-libs/libsvm/libsvm-3.22.ebuild
+++ b/sci-libs/libsvm/libsvm-3.22.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=6
 
-PYTHON_COMPAT=( python{2_7,3_4,3_5} )
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
 
 inherit flag-o-matic java-pkg-opt-2 python-r1 toolchain-funcs
 
@@ -12,7 +12,7 @@ HOMEPAGE="http://www.csie.ntu.edu.tw/~cjlin/libsvm/"
 SRC_URI="http://www.csie.ntu.edu.tw/~cjlin/libsvm/${P}.tar.gz"
 
 LICENSE="BSD"
-SLOT="0"
+SLOT="0/2"
 KEYWORDS="~amd64 ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
 IUSE="java openmp python tools"
 REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
diff --git a/sci-libs/libsvm/metadata.xml b/sci-libs/libsvm/metadata.xml
index a6a14ad8fb8b3..7ba70023b93f4 100644
--- a/sci-libs/libsvm/metadata.xml
+++ b/sci-libs/libsvm/metadata.xml
@@ -6,13 +6,13 @@
     <name>Gentoo Science Project</name>
   </maintainer>
   <longdescription lang="en">
- The LIBSVM library is used to calculate Support Vector Machine
- optimizations  with a great variety of options. It includes
- one-class, two-class, multiclass, regression-mode, and probablistic
- output functionality. It is primarily of interest to machine-learning
- researchers and artificial intelligence application developers.
-</longdescription>
+    The LIBSVM library is used to calculate Support Vector Machine
+    optimizations  with a great variety of options. It includes
+    one-class, two-class, multiclass, regression-mode, and probablistic
+    output functionality. It is primarily of interest to machine-learning
+    researchers and artificial intelligence application developers.
+  </longdescription>
   <use>
-    <flag name="tools">Install python based tool scripts</flag>
+    <flag name="tools">Install python based tool scripts for data selection and visualization with <pkg>sci-visualization/gnuplot</pkg></flag>
   </use>
 </pkgmetadata>