Doc: some writing style fixes
Doc: some writing style fixes

Change-Id: Ibfd4d1ed174e5d656589cfaaf1303cf4d75fa05d
Reviewed-by: Leena Miettinen <885fda02d52616fec24ed5fed9b3f0568fce3ead@digia.com>

farseerri/git_code,xianian/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,maui-packages/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,farseerri/git_code,maui-packages/qt-creator,xianian/qt-creator,xianian/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,xianian/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,farseerri/git_code,kuba1/qtcreator,danimo/qt-creator,danimo/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator