diff --git a/gnu/packages/cdrom.scm b/gnu/packages/cdrom.scm
index 518cfc3c2b31eddca462bd150bba251d6756b1d6..7c62e59626bf59a8c3e625c565b8e37bd2ff6d22 100644
--- a/gnu/packages/cdrom.scm
+++ b/gnu/packages/cdrom.scm
@@ -163,7 +163,7 @@ (define-public cdparanoia
     (synopsis "audio CD reading utility which includes extra data verification features")
     (description "Cdparanoia retrieves audio tracks from CDDA capable CDROM
 drives.  The data can be saved to a file or directed to standard output
-in WAV, AIFF, AIFF-C or raw format.  Most ATAPI, SCSI and  several
+in WAV, AIFF, AIFF-C or raw format.  Most ATAPI, SCSI and several
 proprietary CDROM drive makes are supported; cdparanoia can determine if the
 target drive is CDDA capable.  In addition to simple reading, cdparanoia adds
 extra-robust data verification, synchronization, error handling and scratch
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 5f30afe43326b7567c8f88e272df884a0e789a11..af9feff0402fb683670c6b7add9dca835abce1f5 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -273,7 +273,7 @@ (define-public hdf5
          %standard-phases)))
     (outputs '("out" "bin" "lib" "include"))
     (home-page "http://www.hdfgroup.org")
-    (synopsis "Management suite for  extremely large and complex data")
+    (synopsis "Management suite for extremely large and complex data")
     (description "HDF5 is a suite that makes possible the management of
 extremely large and complex data collections.")
     (license (license:x11-style