Fix regex

gnome-doc-utils.spec

@@ -1,6 +1,6 @@
 Name: gnome-doc-utils
 Version: 0.20.10
-Release: 19%{?dist}
+Release: 20%{?dist}
 Summary: Documentation utilities for GNOME
 
 License: GPLv2+ and LGPLv2+ and GFDL
@@ -62,7 +62,7 @@ are used by the tools in gnome-doc-utils and by yelp.
 %build
 %configure --disable-scrollkeeper --enable-build-utils
 %make_build
-sed -i s/python/python3/g xml2po/xml2po/xml2po
+sed -i s/python$/python3/g xml2po/xml2po/xml2po
 
 %install
 %make_install
@@ -89,6 +89,9 @@ sed -i -e '/^Requires:/d' %{buildroot}%{_datadir}/pkgconfig/xml2po.pc
 %{_datadir}/xml/mallard
 
 %changelog
+* Fri Sep 13 2019 Gwyn Ciesla <gwync@protonmail.com> - 0.20.10-20
+- Anchor regex.
+
 * Tue Sep 10 2019 Gwyn Ciesla <gwync@protonmail.com> - 0.20.10-19
 - Port to Python 3.