fix spelling

Author: atmyers

Docs/sphinx_documentation/source/GPU.rst

@@ -1612,7 +1612,7 @@ including AMReX's native kernel launching mechanisms as well OpenMP and OpenACC.
    }
 
 The above code simply invalidates all particle on all particle tiles. The ``ParticleTileData``
-object is analagous to ``Array4`` in that it stores pointers to particle data and can be used
+object is analogous to ``Array4`` in that it stores pointers to particle data and can be used
 on either the host or the device. This is a convenient way to pass particle data into GPU kernels
 because the same object can be used regardless of whether the data layout is AoS or SoA.