Fix typo in README

Author: jonlaokan

README.rst

@@ -43,13 +43,13 @@ Note when compiling from source
 -------------------------------
 
 Do **NOT** use the Tarball packages automatically generated by GitHub on the Release pages. They
-won't work because one of the main component of Guake build system, PBR, requires the full Git
+won't work because one of the main components of Guake build system, PBR, requires the full Git
 history to be available when building from source. Note this does not impact source distribution
 packages you can download from Pypi.
 
 Build from sources instructions are described on
 `this page of the Online Documentation <http://guake.readthedocs.io/en/latest/user/installing.html#install-from-source>`_.
-Please read this carefully before opening an issue !
+Please read this carefully before opening an issue!
 
 Bugs? Information?
 ------------------