diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index c8105661db..76cde525be 100644
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -49,6 +49,9 @@ Install Qt 5.5:
     sudo add-apt-repository ppa:beineri/opt-qt55-trusty
     sudo apt-get update
     sudo apt-get install qt55base
+
+Set up the Qt 5.5 environment:
+
     source /opt/qt55/bin/qt55-env.sh
 
 Do a git clone:
@@ -57,6 +60,11 @@ Do a git clone:
     cd omim
     echo | ./configure.sh
 
+On Ubuntu 14.04, you'll need a PPA with an up-to-date version of libc++.
+You shouldn't need this on newer versions.
+
+    sudo add-apt-repository ppa:jhe/llvm-toolchain
+
 Then:
 
     sudo apt-get install clang-3.5 libc++-dev libboost-iostreams-dev libglu1-mesa-dev
@@ -67,6 +75,9 @@ Then:
 Prepend with `CONFIG=gtool` if only generator_tool is needed. You would need 1.5 GB of memory
 to compile `stats` module.
 
+The generated binaries appear in `omim-build-<flavour>/out/<flavour>/`.
+Run tests from this directory with `../../../omim/tools/unix/run_tests.sh`.
+
 To build and run OSRM binaries:
 
     sudo apt-get install libtbb2 libluabind0.9.1 liblua50 libstxxl1