diff --git a/tboot.changes b/tboot.changes
index 2b228e3..7cc997e 100644
--- a/tboot.changes
+++ b/tboot.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Feb 10 16:56:03 UTC 2017 - jengelh@inai.de
+
+- Trim filler words from description; use modern macros over
+  shell vars.
+
 -------------------------------------------------------------------
 Wed Feb  8 13:11:50 UTC 2017 - meissner@suse.com
 
diff --git a/tboot.spec b/tboot.spec
index 337947d..c8b41ed 100644
--- a/tboot.spec
+++ b/tboot.spec
@@ -34,10 +34,9 @@ BuildRequires:  trousers-devel
 ExclusiveArch:  %{ix86} x86_64
 
 %description
-Trusted Boot (tboot) is an open source, pre-kernel/VMM module that uses
-Intel(R) Trusted Execution Technology (Intel(R) TXT) to perform a measured
-and verified launch of an OS kernel/VMM.
-
+Trusted Boot (tboot) is a pre-kernel/VMM module that uses Intel(R)
+Trusted Execution Technology (Intel(R) TXT) to perform a measured and
+verified launch of an OS kernel/VMM.
 
 %prep
 %setup -q -n %name-%ver
@@ -46,12 +45,12 @@ and verified launch of an OS kernel/VMM.
 %patch4 -p1
 
 %build
-export CFLAGS="$RPM_OPT_FLAGS"
+export CFLAGS="%{optflags}"
 export TBOOT_CFLAGS="$CFLAGS"
 make debug=y %{?_smp_mflags}
 
 %install
-make debug=y install DISTDIR=$RPM_BUILD_ROOT MANPATH=$RPM_BUILD_ROOT/%{_mandir}
+make debug=y install DISTDIR="%{buildroot}" MANPATH="%{buildroot}/%{_mandir}"
 
 %files
 %defattr(-,root,root,-)