diff --git a/var/spack/repos/builtin/packages/r-fracdiff/package.py b/var/spack/repos/builtin/packages/r-fracdiff/package.py
index 33a104e630..25c8a161fb 100644
--- a/var/spack/repos/builtin/packages/r-fracdiff/package.py
+++ b/var/spack/repos/builtin/packages/r-fracdiff/package.py
@@ -7,12 +7,16 @@
 
 
 class RFracdiff(RPackage):
-    """Maximum likelihood estimation of the parameters of a
-    fractionally differenced ARIMA(p,d,q) model (Haslett and
-    Raftery, Appl.Statistics, 1989)."""
+    """Fractionally Differenced ARIMA aka ARFIMA(P,d,q) Models
+
+    Maximum likelihood estimation of the parameters of a fractionally
+    differenced ARIMA(p,d,q) model (Haslett and Raftery, Appl.Statistics,
+    1989); including inference and basic methods.  Some alternative algorithms
+    to estimate "H"."""
 
     homepage = "https://cloud.r-project.org/package=fracdiff"
     url      = "https://cloud.r-project.org/src/contrib/fracdiff_1.4-2.tar.gz"
     list_url = "https://cloud.r-project.org/src/contrib/Archive/fracdiff"
 
+    version('1.5-1', sha256='b8103b32a4ca3a59dda1624c07da08ecd144c7a91a747d1f4663e99421950eb6')
     version('1.4-2', sha256='983781cedc2b4e3ba9fa020213957d5133ae9cd6710bc61d6225728e2f6e850e')