gnu: Fix typoes in package descriptions.

* gnu/packages/audio.scm (caps-plugins-lv2)[synopsis]: Fix typo.
* gnu/packages/bioconductor.scm (r-karyoploter, r-anota, r-gcrma)
(r-bigmemoryextras)[description]: Likewise.
* gnu/packages/cran.scm (r-geometry)[synopsis]: Likewise.
(r-stringdist, r-patchwork, r-depth, r-tea)[description]: Likewise.
* gnu/packages/crates-io.scm (rust-assert-fs-0.11, rust-notify-4)
(rust-tokio-fs-0.1)[synopsis, description]: Likewise.
(rust-blas-sys-0.7)[description]: Likewise.
(rust-fs-extra-1.1, rust-xattr-0.2)[synopsis]: Likewise.
* gnu/packages/databases.scm (perl-mysql-config)[description]: Likewise.
* gnu/packages/disk.scm (hddtemp)[description]: Likewise.
* gnu/packages/django.scm (python-djangorestframework)[description]:
Likewise.
* gnu/packages/documentation.scm (doc++)[description]: Likewise.
* gnu/packages/emacs-xyz.scm (emacs-kakoune, emacs-pyim-basedict, eless)
(emacs-scpaste)[description]: Likewise.
* gnu/packages/file-systems.scm (dbxfs)[description]: Likewise.
* gnu/packages/finance.scm (python-stdnum)[description]: Likewise.
* gnu/packages/fontutils.scm (woff2)[description]: Likewise.
* gnu/packages/games.scm (openttd-opengfx)[description]: Likewise.
* gnu/packages/gnome-xyz.scm (gnome-shell-extension-topicons-redux)
[description]: Likewise.
* gnu/packages/gnome.scm (libgrss)[description]: Likewise.
* gnu/packages/golang.scm (go-github-com-mitchellh-reflectwalk)
[description]: Likewise.
(go-github-com-go-git-go-billy)[synopsis, description]: Likewise.
* gnu/packages/haskell-check.scm (ghc-inspection-testing)[description]:
Likewise.
* gnu/packages/haskell-web.scm (ghc-yesod-form)[description]: Likewise.
* gnu/packages/haskell-xyz.scm (ghc-hex)[description]: Likewise.
* gnu/packages/hyperledger.scm (hyperledger-iroha-ed25519)[description]:
Likewise.
* gnu/packages/java.scm (java-mail)[synopsis]: Likewise.
(java-native-access-platform)[description]: Likewise.
* gnu/packages/kde-frameworks.scm (kactivities-stats)[description]:
Likewise.
* gnu/packages/kde-utils.scm (krusader)[description]: Likewise.
* gnu/packages/language.scm (praat)[description]: Likewise.
* gnu/packages/linux.scm (light)[description]: Likewise.
* gnu/packages/lisp-xyz.scm (sbcl-hu.dwim.defclass-star)[description]:
Likewise.
* gnu/packages/mail.scm (dovecot-trees, sieve-connect)[description]:
Likewise.
* gnu/packages/ocaml.scm (ocaml-opam-file-format, ocaml-cppo)
(ocaml4.07-ppx-variants-conv)[description]: Likewise.
* gnu/packages/perl.scm (perl-convert-binhex)[description]: Likewise.
* gnu/packages/python-crypto.scm (python-ecdsa)[description]: Likewise.
* gnu/packages/python-web.scm (python-html5lib)[synopsis, description]:
Likewise.
(python-venusian)[synopsis]: Likewise.
* gnu/packages/python-xyz.scm (python-readlike, python-gssapi)
(python-flufl-i18n)[description]: Likewise.
(python-pox, python-watchdog, python-xattr)[synopsis, description]:
Likewise.
* gnu/packages/ruby.scm (ruby-sorcerer)[description]: Likewise.
* gnu/packages/rust-apps.scm (watchexec)[description]: Likewise.
* gnu/packages/rust.scm (mrustc)[synopsis]: Likewise.
* gnu/packages/shells.scm (s-shell)[description]: Likewise.
* gnu/packages/ssh.scm (sshpass)[description]: Likewise.
* gnu/packages/terminals.scm (beep)[description]: Likewise.
* gnu/packages/web.scm (perl-lwp-useragent-cached)[description]:
Likewise.
* gnu/packages/wv.scm (wv)[description]: Likewise.

gnu/packages/python-crypto.scm

@@ -286,7 +286,7 @@ Python interface around SSH networking concepts.")
     (description
      "This is an easy-to-use implementation of ECDSA cryptography (Elliptic
 Curve Digital Signature Algorithm), implemented purely in Python.  With this
-library, you can quickly create keypairs (signing key and verifying key), sign
+library, you can quickly create key pairs (signing key and verifying key), sign
 messages, and verify the signatures.  The keys and signatures are very short,
 making them easy to handle and incorporate into other protocols.")
     (license license:expat)))