Minor corrections: typo and adding file to .gitignore

The LaTeX macro for libgit2 was not properly used in `paper.tex'.

On Mac systems, after browsing the directory, a `.DS_Store' file was
created. So to keep things clean on those systems, it is added to the files
to be ignored by Git.

3 files changed, 16 insertions, 16 deletions

diff --git a/.file-metadata b/.file-metadata
index 696508d..0fec14c 100644
--- a/.file-metadata
+++ b/.file-metadata
diff --git a/.gitignore b/.gitignore
index 5879789..5521ca7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ build
 Makefile
 tex/tikz
 .gnuastro
+.DS_Store
 .texlive*
 tex/pipeline
 LOCAL_tmp.mk
diff --git a/paper.tex b/paper.tex
index 16f6eb8..a2a7c91 100644
--- a/paper.tex
+++ b/paper.tex
@@ -212,27 +212,26 @@ Libtool \libtoolversion, GNU Make \makeversion, GNU NCURSES
 \ncursesversion, GNU Readline \readlineversion, GNU Sed \sedversion, GNU
 Scientific Library (GSL) \gslversion, GNU Tar \tarversion, GNU Wget
 \wgetversion, GNU Which \whichversion, Lzip \lzipversion, GPL Ghostscript
-\ghostscriptversion, Libbsd \libbsdversion, Libgit2 \libgitwoversion,
+\ghostscriptversion, Libbsd \libbsdversion, Libgit2 \libgittwoversion,
 Libjpeg \libjpegversion, Libtiff \libtiffversion, Metastore (forked)
 \metastoreversion, OpenSSL \opensslversion, Pkg-config \pkgconfigversion,
 Unzip \unzipversion, WCSLIB \wcslibversion, XZ Utils \xzversion, Zip
 \zipversion, and ZLib \zlibversion. We use Python {\pythonversion} with the
 following packages: Numpy {\numpyversion} and Astropy {\astropyversion}
-\citep{astropy2013, astropy2018}. The final paper was produced with
-\TeX{} Live \texliveversion, using the following packages: \TeX{}
-\textexversion, EC \texecversion, NewTX \texnewtxversion, Fontaxes
-\texfontaxesversion, Keyval, \texxkeyvalversion, Etoolbox
-\texetoolboxversion, Xcolor \texxcolorversion, Setspace
-\texsetspaceversion, Caption \texcaptionversion, Footmisc
-\texfootmiscversion, Datetime \texdatetimeversion, Fmtcount
-\texfmtcountversion, Titlesec \textitlesecversion, Preprint
-\texpreprintversion, Ulem \texulemversion, Bib\LaTeX{} \texbiblatexversion,
-Biber \texbiberversion, Logreq \texlogreqversion, PGF/TiKZ \texpgfversion,
-PGFPlots \texpgfplotsversion, FP \texfpversion, Courier \texcourierversion,
-\TeX-gyre \textexgyreversion, TXFonts \textxfontsversion, Times
-\textimesversion. We are very grateful to all their creators for freely
-providing this necessary infrastructure. This research would not be
-possible without them.
+\citep{astropy2013, astropy2018}. The final paper was produced with \TeX{}
+Live \texliveversion, using the following packages: \TeX{} \textexversion,
+EC \texecversion, NewTX \texnewtxversion, Fontaxes \texfontaxesversion,
+Keyval, \texxkeyvalversion, Etoolbox \texetoolboxversion, Xcolor
+\texxcolorversion, Setspace \texsetspaceversion, Caption
+\texcaptionversion, Footmisc \texfootmiscversion, Datetime
+\texdatetimeversion, Fmtcount \texfmtcountversion, Titlesec
+\textitlesecversion, Preprint \texpreprintversion, Ulem \texulemversion,
+Bib\LaTeX{} \texbiblatexversion, Biber \texbiberversion, Logreq
+\texlogreqversion, PGF/TiKZ \texpgfversion, PGFPlots \texpgfplotsversion,
+FP \texfpversion, Courier \texcourierversion, \TeX-gyre \textexgyreversion,
+TXFonts \textxfontsversion, Times \textimesversion. We are very grateful to
+all their creators for freely providing this necessary infrastructure. This
+research would not be possible without them.
 
 %% Tell BibLaTeX to put the bibliography list here.
 \printbibliography