fix README.md

Author: mulle-nat

README.md

@@ -46,15 +46,16 @@ only locks during `+initialize` on a per class basis.
 
 If you haven't used an Objective-C runtime before, it is useful to get to know
 the much better documented "Mac OS X Objective-C 1.0" runtime first.
-[Intro to the Objective-C Runtime](//mikeash.com/pyblog/friday-qa-2009-03-13-intro-to-the-objective-c-runtime.html) could be a good starting point.
+[Intro to the Objective-C Runtime](//mikeash.com/pyblog/friday-qa-2009-03-13-intro-to-the-objective-c-runtime.html)
+could be a good starting point.
 
 
 > #### C Caveat
 >
 > It you use `.c` files that include `<mulle_objc/mulle_objc.h>` make sure
-> that you compile with `__MULLE_OBJC_TPS__` and `__MULLE_OBJC_TRT__` as 
-> they were defined when compiling the runtime. Since C-only compilations do not 
-> emit runtime information, mismatched can not be checked by the runtime.
+> that you compile with `__MULLE_OBJC_TPS__` and `__MULLE_OBJC_TRT__` as
+> they were defined when compiling the runtime. Since C-only compilations do
+> not emit runtime information, mismatched can not be checked by the runtime.
 > Easy fix: rename `.c` to `.m` and use **mulle-clang**
 
 
@@ -141,4 +142,3 @@ All platforms and compilers supported by
 [Mulle kybernetiK](//www.mulle-kybernetik.com) and
 [Codeon GmbH](//www.codeon.de)
 
-