Minor fixes to command line to install packages in Fedora

Change from libcereal-devel to cereal-devel wich is the correct package for Fedora.
Removed backlashs to get all in one get line

README.md

@@ -97,9 +97,7 @@ You may also need to run (especially if you get "No CMAKE_CXX_COMPILER could be
 
 If you are on a Fedora-based system, you can get everything with:
 
-    $ sudo dnf install cmake gcc-c++ SDL-devel protobuf-devel boost-devel \
-        libogg-devel libvorbis-devel libtheora-devel jsoncpp-devel \
-        physfs-devel libpng-devel libcereal-devel
+    $ sudo dnf install cmake gcc-c++ SDL-devel protobuf-devel boost-devel libogg-devel libvorbis-devel libtheora-devel jsoncpp-devel physfs-devel libpng-devel cereal-devel
 
 ### Build with system dependencies
 
@@ -197,4 +195,4 @@ To add music to the game, obtain the files from the repository:
 Then copy `data/audio` directory from `raceintospace-nonfree` to:
 
 1. `data/` in the source code directory - if you're building the game from source, or
-2. `data/` in the directory where you installed the game.
+2. `data/` in the directory where you installed the game.