diff --git a/var/spack/repos/builtin/packages/r-ecp/package.py b/var/spack/repos/builtin/packages/r-ecp/package.py
index cf0f0a6def..e3a6a16376 100644
--- a/var/spack/repos/builtin/packages/r-ecp/package.py
+++ b/var/spack/repos/builtin/packages/r-ecp/package.py
@@ -7,13 +7,21 @@
 
 
 class REcp(RPackage):
-    """ecp: Non-Parametric Multiple Change-Point Analysis of
-       MultivariateData"""
+    """Non-Parametric Multiple Change-Point Analysis of MultivariateData
+
+    Implements various procedures for finding multiple change-points from
+    Matteson D. et al (2013) <doi:10.1080/01621459.2013.849605>, Zhang W. et al
+    (2017) <doi:10.1109/ICDMW.2017.44>, Arlot S. et al (2019). Two methods make
+    use of dynamic programming and pruning, with no distributional assumptions
+    other than the existence of certain absolute moments in one method.
+    Hierarchical and exact search methods are included. All methods return the
+    set of estimated change-points as well as other summary information."""
 
     homepage = "https://cloud.r-project.org/package=ecp"
     url      = "https://cloud.r-project.org/src/contrib/ecp_3.1.1.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/ecp"
 
+    version('3.1.3', sha256='a80ab10bafe30cc96287b9220e44c4b4eda40f5dd0546e4d2a2e1baab514c058')
     version('3.1.1', sha256='d2ab194e22e6ab0168222fbccfcf2e25c6cd51a73edc959086b0c6e0a7410268')
 
     depends_on('r@3.00:', type=('build', 'run'))