Minor README edits

Author: mikkelfj

README.md

@@ -137,7 +137,7 @@ You need:
 
 - The files generated by flatcc, obviously.
 - `include/flatcc` in the include path (correct version), using `-I include` if at flatcc root.
-- Linke with zero or more .c files from `src/runtime` in your project (correct version).
+- Link with zero or more .c files from `src/runtime` in your project (correct version).
 - Possibly disable certain warnings (notably disable GCC pedantic). The main CMake project does that for you.
 - For some esoteric platforms maybe define `-DPORTABLE_...=0/1` to work around limitations
 like stdalign support, see portable headers for detail.