Update README.md

-corrected some wrong parts

README.md

@@ -18,7 +18,7 @@ The given installation steps were tried on OS X El Capitan (v10.11.06) and OS X
 
         /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
         
-* Install Python 2.x, Qt5.7 and wget with Homebrew:
+* Install Python 2.x, Qt 5.7 and wget with Homebrew:
 
         brew install python qt@5.7 wget
 
@@ -29,12 +29,12 @@ Then install command-line tools:
         sudo xcodebuild -license
     After the installation, make sure that you have agreed Apple's licence agreement.
 
-* Download PyQt5.7.1 and SIP source packages:
+* Download PyQt 5.7.1 and SIP source packages:
 
         wget https://sourceforge.net/projects/pyqt/files/sip/sip-4.19/sip-4.19.tar.gz
         wget https://sourceforge.net/projects/pyqt/files/PyQt5/PyQt-5.7.1/PyQt5_gpl-5.7.1.tar.gz
 
-* Untar and compile PyQt5.7.1 and SIP:
+* Untar and compile PyQt 5.7.1 and SIP:
 
         # compile sip
         tar -xvf sip-4.19.tar.gz
@@ -75,19 +75,19 @@ Installing dependencies on Ubuntu 16.04
 
 The given installation steps were tried on Ubuntu 16.04.02 LTS (xenial).
 
-* Install Python 2.x, Qt5.x:
+* Install Python 2.x, Qt 5.x:
 
         sudo add-apt-repository --yes ppa:ubuntu-sdk-team/ppa
         sudo apt-get update -qq
         sudo apt-get install -qq qtdeclarative5-dev libqt5svg5-dev qtmultimedia5-dev build-essential python-dev
         export QMAKE=/usr/lib/x86_64-linux-gnu/qt5/bin/qmake
 
-* Download PyQt5.7.1 and SIP source packages:
+* Download PyQt 5.8 and SIP source packages:
 
         wget https://sourceforge.net/projects/pyqt/files/sip/sip-4.19.1/sip-4.19.1.tar.gz
         wget https://sourceforge.net/projects/pyqt/files/PyQt5/PyQt-5.8/PyQt5_gpl-5.8.tar.gz
 
-* Untar and compile PyQt5.7.1 and SIP:
+* Untar and compile PyQt 5.8 and SIP:
 
         # compile sip
         tar -xzf sip-4.19.1.tar.gz