diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 20639bc779..59fa11bfda 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -2,7 +2,7 @@
 ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
-;;; Copyright © 2019 by Amar Singh<nly@disroot.org>
+;;; Copyright © 2019 by Amar Singh <nly@disroot.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -189,20 +189,16 @@ objects.")
   (let ((commit "9dbdf29c4ac3d20afb2d9a80d3dff241ecf81dce"))
     (package
       (name "celestia")
-      (version
-       (git-version "1.6.1" "815" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri
-          (git-reference
-           (url
-            "https://github.com/celestiaproject/celestia")
-           (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "00xibg87l1arzifakgj7s828x9pszcgx7x7ij88a561ig49ryh78"))))
+      (version (git-version "1.6.1" "815" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/celestiaproject/celestia")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "00xibg87l1arzifakgj7s828x9pszcgx7x7ij88a561ig49ryh78"))))
       (build-system cmake-build-system)
       (native-inputs
        `(("perl" ,perl)
@@ -227,14 +223,14 @@ objects.")
        `(("lua" ,lua)))
       (arguments
        `(#:configure-flags '("-DENABLE_GLUT=ON" "-DENABLE_QT=OFF")
-         #:tests? #f))
+         #:tests? #f))                            ;no tests
       (home-page "https://celestia.space/")
       (synopsis "Real-time 3D visualization of space")
       (description
-       "The free space simulation that lets you explore our universe in three
+       "This simulation program lets you explore our universe in three
 dimensions.  Celestia simulates many different types of celestial objects.
 From planets and moons to star clusters and galaxies, you can visit every
 object in the expandable database and view it from any point in space and
 time.  The position and movement of solar system objects is calculated
 accurately in real time at any rate desired.")
-      (license license:gpl2))))
+      (license license:gpl2+))))