Add description to spack files.

packages/tvb-data/package.py

@@ -5,8 +5,11 @@
 
 from spack import *
 
+
 class TvbData(PythonPackage):
-    """"""
+    """
+    Various demonstration datasets for use with The Virtual Brain are provided here.
+    """
 
     homepage = "https://zenodo.org/record/4263723"
     url = 'https://zenodo.org/record/4263723/files/tvb_data.zip'
@@ -19,4 +22,4 @@ class TvbData(PythonPackage):
     depends_on('python@3.8:', type=('build', 'run'))
 
     # setup_requires
-    depends_on('py-setuptools', type='build')
\ No newline at end of file
+    depends_on('py-setuptools', type='build')

packages/tvb-library/package.py

@@ -5,8 +5,13 @@
 
 from spack import *
 
+
 class TvbLibrary(PythonPackage):
-    """"""
+    """
+    "The Virtual Brain" Project (TVB Project) has the purpose of offering modern tools to the Neurosciences community,
+    for computing, simulating and analyzing functional and structural data of human brains, brains modeled at the level
+    of population of neurons.
+    """
 
     homepage = "https://www.thevirtualbrain.org/"
     pypi = 'tvb-library/tvb-library-2.3.tar.gz'