diff --git a/README b/README
index f808980..41541c9 100644
--- a/README
+++ b/README
@@ -5,7 +5,7 @@ Compilation - prerequisites
 
 This tutorial assumes that build process is performed on Linux 64bit machine (preferably from Debian/Ubuntu family).
 
-sudo apt-get install build-essential autotools python setuptools python-stdeb
+sudo apt-get install build-essential autotools-dev python python-setuptools python-stdeb
 sudo pip install pyinstaller
 
 For cross compiling:
@@ -69,10 +69,11 @@ make install-python
 Customizing build process
 ***************
 
-Available custom CMake variables:
+Optional CMake variables:
 INPUT_TAGSET - tagset file
 INPUT_DICTIONARIES - comma-separated list of dictionary files (can use empty one from input/empty.txt)
-TARGET_DIR - a dir where packages built by CMake are put
+SEGMENT_RULES_FILE - segmentation rules file
+TARGET_DIR - a dir where packages built by CMake are put in
 
 Execute like following:
 cmake -D INPUT_TAGSET=<file1> -D INPUT_DICTIONARIES="<dict_file1>,<dict_file2>" ..
@@ -81,13 +82,6 @@ cmake -D INPUT_TAGSET=<file1> -D INPUT_DICTIONARIES="<dict_file1>,<dict_file2>" 
 Notes on cross-compilation
 **************************
 
-Create separate build directory, for example build-darwin.
-
-Run:
-cmake -DCMAKE_TOOLCHAIN_FILE=../morfeusz/Toolchain-xxx.cmake ..
-make
-make package package-java package-python
-
 Copy Java JDK and Python libraries from target platform. Set JAVA_ROOT and PYTHON_ROOT in Toolchain files to match directories copied from target platform.
 
 [Mac OS X 64bit] Libraries are at /System/Library/Frameworks/JavaVM.framework and /System/Library/Frameworks/Python.framework
@@ -98,6 +92,13 @@ Copy Java JDK and Python libraries from target platform. Set JAVA_ROOT and PYTHO
 - compile latest version using ./configure --prefix=/some/directory/python
 - copy contents of /some/directory/python to the build machine and set it as PYTHON_ROOT in Toolchain file
 
+Create separate build directory, for example build-darwin.
+
+Run:
+cmake -DCMAKE_TOOLCHAIN_FILE=../morfeusz/Toolchain-xxx.cmake ..
+make
+make package package-java package-python
+
 
 *************
 Mac OS X