diff --git a/var/spack/repos/builtin/packages/r-flexmix/package.py b/var/spack/repos/builtin/packages/r-flexmix/package.py
index 36c8133b29..c44c6213a3 100644
--- a/var/spack/repos/builtin/packages/r-flexmix/package.py
+++ b/var/spack/repos/builtin/packages/r-flexmix/package.py
@@ -7,12 +7,19 @@
 
 
 class RFlexmix(RPackage):
-    """flexmix: Flexible Mixture Modeling"""
+    """Flexible Mixture Modeling
+
+    A general framework for finite mixtures of regression models using the EM
+    algorithm is implemented. The E-step and all data handling are provided,
+    while the M-step can be supplied by the user to easily define new models.
+    Existing drivers implement mixtures of standard linear models, generalized
+    linear models and model-based clustering."""
 
     homepage = "https://cloud.r-project.org/package=flexmix"
     url      = "https://cloud.r-project.org/src/contrib/flexmix_2.3-14.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/flexmix"
 
+    version('2.3-17', sha256='36019b7833032409ac61720dd625fa5a581a1d8bcba9045b04979c90907b5649')
     version('2.3-15', sha256='ba444c0bfe33ab87d440ab590c06b03605710acd75811c1622253171bb123f43')
     version('2.3-14', sha256='837c7f175a211b3c484b2c7b81ec9729889a614c5c6e7d70c95a2c1d60ff846a')