diff --git a/.gitignore b/.gitignore
index 603183a..483f736 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-libucil-0.9.10.tar.gz
+/libucil-*.tar.gz
diff --git a/libucil.spec b/libucil.spec
index 64034e0..ee7ad11 100644
--- a/libucil.spec
+++ b/libucil.spec
@@ -1,28 +1,28 @@
-Summary:	Library to render text and graphic overlays onto video images
-Name:		libucil
-Version:	0.9.10
-Release:	21%{?dist}
-License:	GPLv2+
-URL:		https://www.unicap-imaging.org/
-Source0:	https://www.unicap-imaging.org/downloads/%{name}-%{version}.tar.gz
+Summary:        Library to render text and graphic overlays onto video images
+Name:           libucil
+Version:        0.9.10
+Release:        21%{?dist}
+License:        GPLv2+
+URL:            https://www.unicap-imaging.org/
+Source0:        https://www.unicap-imaging.org/downloads/%{name}-%{version}.tar.gz
 
 # check return value of theora_encode_init() (#627890)
-Patch0:		libucil-0.9.8-bz627890.patch
+Patch0:         libucil-0.9.8-bz627890.patch
 
 # fix some memory leaks
-Patch1:		libucil-0.9.10-leaks.patch
+Patch1:         libucil-0.9.10-leaks.patch
 
 # fix some compile-time warnings
-Patch2:		libucil-0.9.10-warnings.patch
+Patch2:         libucil-0.9.10-warnings.patch
 
 # asoundlib.h is alsa/asoundlib.h meanwhile
-Patch3:		libucil-0.9.10-include-alsa.patch
+Patch3:         libucil-0.9.10-include-alsa.patch
 
-BuildRequires:	autoconf, automake, gettext-devel, libtool
-BuildRequires:	intltool, /usr/bin/perl, perl(XML::Parser), gettext, gtk-doc >= 1.4
-BuildRequires:	libunicap-devel, glib2-devel, pango-devel, alsa-lib-devel
-BuildRequires:	libtheora-devel, libogg-devel, libvorbis-devel, libpng-devel
-Obsoletes:	unicap <= 0.9.7-1
+BuildRequires:  gcc, make, autoconf, automake, gettext-devel, libtool
+BuildRequires:  intltool, %{_bindir}/perl, perl(XML::Parser), gettext, gtk-doc >= 1.4
+BuildRequires:  libunicap-devel, glib2-devel, pango-devel, alsa-lib-devel
+BuildRequires:  libtheora-devel, libogg-devel, libvorbis-devel, libpng-devel
+Obsoletes:      unicap <= 0.9.7-1
 
 %description
 Unicap provides a uniform interface to video capture devices. It allows
@@ -31,9 +31,9 @@ The related ucil library provides easy to use functions to render text
 and graphic overlays onto video images.
 
 %package devel
-Summary:	Development files for the ucil library
-Requires:	%{name}%{?_isa} = %{version}-%{release}, pkgconfig, libunicap-devel
-Obsoletes:	unicap-devel <= 0.9.7-1
+Summary:        Development files for the ucil library
+Requires:       %{name}%{?_isa} = %{version}-%{release}, pkgconfig, libunicap-devel
+Obsoletes:      unicap-devel <= 0.9.7-1
 
 %description devel
 The libucil-devel package includes header files and libraries necessary
diff --git a/sources b/sources
index 3360c3f..828a2dc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-986adfd387d64726acd0267565ff9431  libucil-0.9.10.tar.gz
+SHA512 (libucil-0.9.10.tar.gz) = 9b37f4961bd332069a5ca54d7700d31c92e01053a983eda9bd91a6c8874076ea8b97ca768c001e5035ba0bdada6d60f8b4af2ff89ecfe79fdc49ba01ab9e11eb