Fix typos

CHANGES.rst

@@ -1261,7 +1261,7 @@ Features added
 * "cdef extern" include files are now also searched relative to the current file.
   Patch by Jeroen Demeyer (Github issue #1654).
 
-* Optional optimization for re-aquiring the GIL, controlled by the
+* Optional optimization for re-acquiring the GIL, controlled by the
   `fast_gil` directive.
 
 Bugs fixed

Cython/Compiler/PyrexTypes.py

@@ -594,7 +594,7 @@ class MemoryViewSliceType(PyrexType):
         'ptr' -- Pointer stored in this dimension.
         'full' -- Check along this dimension, don't assume either.
 
-        the packing specifiers specify how the array elements are layed-out
+        the packing specifiers specify how the array elements are laid-out
         in memory.
 
         'contig' -- The data is contiguous in memory along this dimension.