diff --git a/ndpi.changes b/ndpi.changes
index be0eb67..fdf4169 100644
--- a/ndpi.changes
+++ b/ndpi.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jan  8 17:01:56 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Compact descriptions of all but the most promiment package
+  (libndpi2) for size. Trim bias and metadata redundancies, too.
+
 -------------------------------------------------------------------
 Mon Jan  7 21:52:45 UTC 2019 - mardnh@gmx.de
 
diff --git a/ndpi.spec b/ndpi.spec
index 3958e40..39d533d 100644
--- a/ndpi.spec
+++ b/ndpi.spec
@@ -45,28 +45,21 @@ BuildRequires:  pkgconfig(libhs)
 %endif
 
 %description
-nDPI is a ntop-maintained superset of the popular OpenDPI library. Released
-under the LGPL license, its goal is to extend the original library by adding
-new protocols that are otherwise available only on the paid version of OpenDPI.
-In addition to Unix platforms, we also support Windows, in order to provide
-you a cross-platform DPI experience. Furthermore, we have modified nDPI do be
-more suitable for traffic monitoring applications, by disabling specific
-features that slow down the DPI engine while being them un-necessary for
-network traffic monitoring.
+nDPI is a ntop-maintained superset of the OpenDPI library. It extends
+the original library by adding new protocols that are otherwise
+available only on the paid version of OpenDPI.
 
 %package -n libndpi%{sover}
 Summary:        Extensible deep packet inspection library
-Group:          Development/Libraries/C and C++
+Group:          System/Libraries
 
 %description -n libndpi%{sover}
-nDPI is a ntop-maintained superset of the popular OpenDPI library. Released
-under the LGPL license, its goal is to extend the original library by adding
-new protocols that are otherwise available only on the paid version of OpenDPI.
-In addition to Unix platforms, we also support Windows, in order to provide
-you a cross-platform DPI experience. Furthermore, we have modified nDPI do be
-more suitable for traffic monitoring applications, by disabling specific
-features that slow down the DPI engine while being them un-necessary for
-network traffic monitoring.
+nDPI is a ntop-maintained superset of the OpenDPI library. It extends
+the original library by adding new protocols that are otherwise
+available only on the paid version of OpenDPI. nDPI was modified to
+be more suitable for traffic monitoring applications, by disabling
+specific features that slow down the DPI engine while being them
+un-necessary for network traffic monitoring.
 
 %package -n libndpi-devel
 Summary:        Development headers for nNDPI
@@ -74,14 +67,9 @@ Group:          Development/Libraries/C and C++
 Requires:       libndpi%{sover} = %{version}
 
 %description -n libndpi-devel
-nDPI is a ntop-maintained superset of the popular OpenDPI library. Released
-under the LGPL license, its goal is to extend the original library by adding
-new protocols that are otherwise available only on the paid version of OpenDPI.
-In addition to Unix platforms, we also support Windows, in order to provide
-you a cross-platform DPI experience. Furthermore, we have modified nDPI do be
-more suitable for traffic monitoring applications, by disabling specific
-features that slow down the DPI engine while being them un-necessary for
-network traffic monitoring.
+nDPI is a ntop-maintained superset of the OpenDPI library. It extends
+the original library by adding new protocols that are otherwise
+available only on the paid version of OpenDPI.
 
 This package contains the Development headers for libndpi.
 
@@ -90,14 +78,9 @@ Summary:        Tools for nNDPI
 Group:          Development/Libraries/C and C++
 
 %description -n ndpi-tools
-nDPI is a ntop-maintained superset of the popular OpenDPI library. Released
-under the LGPL license, its goal is to extend the original library by adding
-new protocols that are otherwise available only on the paid version of OpenDPI.
-In addition to Unix platforms, we also support Windows, in order to provide
-you a cross-platform DPI experience. Furthermore, we have modified nDPI do be
-more suitable for traffic monitoring applications, by disabling specific
-features that slow down the DPI engine while being them un-necessary for
-network traffic monitoring.
+nDPI is a ntop-maintained superset of the OpenDPI library. It extends
+the original library by adding new protocols that are otherwise
+available only on the paid version of OpenDPI.
 
 This package contains the ndpiReader binary.
 
@@ -115,7 +98,7 @@ sed -i 's/lib64/lib/g' src/lib/Makefile.in
 %if 0%{with hyperscan}
     --with-hyperscan \
 %endif
-    --prefix=/usr
+    --prefix="%{_prefix}"
 make %{?_smp_mflags}
 
 %install