diff --git a/lazarus.changes b/lazarus.changes
index 0da0598..c1591fd 100644
--- a/lazarus.changes
+++ b/lazarus.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Dec 26 15:18:15 UTC 2017 - jengelh@inai.de
+
+- Remove bashsisms from %prep. Replace useless use of cat.
+  Fix unusual BuildRequires for sles>=11.
+  Trim filler wording from description.
+
 -------------------------------------------------------------------
 Sun Dec 17 17:44:17 UTC 2017 - aloisio@gmx.com
 
diff --git a/lazarus.spec b/lazarus.spec
index 1b764c2..acf93f5 100644
--- a/lazarus.spec
+++ b/lazarus.spec
@@ -45,7 +45,7 @@ BuildRequires:  fpc-src >= 3.0.0
 %if 0%{?suse_version} >= 1140
 BuildRequires:  hicolor-icon-theme
 %endif
-%if 0%{?sles_version} >= 11
+%if 0%{?sles_version} == 11
 BuildRequires:  glib2-devel
 BuildRequires:  gtk2-devel
 %else
@@ -62,7 +62,7 @@ BuildRequires:  pkgconfig(Qt5X11Extras)
 Requires:       fpc
 Requires:       fpc-src
 Requires:       gdb
-%if 0%{?sles_version} >= 11
+%if 0%{?sles_version} == 11
 Requires:       glib2-devel
 Requires:       gtk2-devel
 %else
@@ -76,7 +76,7 @@ Requires(postun): shared-mime-info
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
-Lazarus is a free and open source Rapid Application Development
+Lazarus is a Rapid Application Development
 tool for the FreePascal compiler using the Lazarus component
 library - LCL. The LCL is included in this package.
 
@@ -129,7 +129,7 @@ dos2unix examples/trayicon/wndtray.*
 
 # fix rpmlint error "spurious-executable-perm"
 chmod 644 docs/booth/ProdProgEntwMitOpenSourceSystems2007.odp
-if [[ $SOURCE_DATE_EPOCH ]] ; then
+if [ -n "$SOURCE_DATE_EPOCH" ] ; then
   datestr=$(date -u "-d@$SOURCE_DATE_EPOCH" +%Y/%m/%d)
   sed -i -e 's!{\$I %%date%%}!'"'$datestr'"'!' \
     ide/ideinfodlg.pas ide/aboutfrm.pas ide/idefpcinfo.pas
@@ -137,7 +137,7 @@ if [[ $SOURCE_DATE_EPOCH ]] ; then
 fi
 
 # fix shebang
-for i in $(find . \( -name "*.sh" -o -name "*.pl" \)); do sed -i '1s|#!/usr/bin/env|%{_bindir}/|' ${i}; done
+find . \( -name "*.sh" -o -name "*.pl" \) -exec sed -i '1s|#!/usr/bin/env|%{_bindir}/|' {} +
 
 %build
 # Don't use -gs (use explicitly "stabs" debuginfo) for compiling lhelp but -g (use the default debuginfo type "dwarf") as in the rest of package's Makefiles
@@ -190,7 +190,7 @@ rm -f %{buildroot}%{_bindir}/lazarus-ide
 ln -sf ../%{_lib}/%{name}/lazarus %{buildroot}%{_bindir}/lazarus-ide
 for f in lazres lrstolfm updatepofiles; do
     ln -sf ../%{_lib}/%{name}/tools/$f %{buildroot}%{_bindir}/$f
-    cat %{buildroot}%{_libdir}/%{name}/install/man/man1/${f}.1 | gzip > %{buildroot}%{_mandir}/man1/${f}.1.gz
+    cat %{buildroot}%{_libdir}/%{name}/install/man/man1/${f}.1 | gzip >%{buildroot}%{_mandir}/man1/${f}.1.gz
 done
 
 # collect docs and samples
@@ -222,7 +222,7 @@ install -Dpm 0644 %{S:1} %{buildroot}%{_datadir}/appdata/%{name}.appdata.xml
 
 # configs
 install -dm 0755 %{buildroot}%{_sysconfdir}/%{name}
-cat tools/install/linux/environmentoptions.xml | sed -e "s#__LAZARUSDIR__#%{_libdir}/%{name}/#" -e "s#__FPCSRCDIR__#%{_datadir}/fpcsrc/#" > %{buildroot}%{_sysconfdir}/%{name}/environmentoptions.xml
+sed <tools/install/linux/environmentoptions.xml -e "s#__LAZARUSDIR__#%{_libdir}/%{name}/#" -e "s#__FPCSRCDIR__#%{_datadir}/fpcsrc/#" > %{buildroot}%{_sysconfdir}/%{name}/environmentoptions.xml
 
 # fix permissions
 chmod -x %{buildroot}%{_defaultdocdir}/%{name}/docs/html/build_lcl_chm.sh \