minor documentation change

hysop/numerics/fft/gpyfft_fft.py

@@ -995,7 +995,7 @@ class GpyFFT(FFTI):
         - single and double precision supported
         - no intermediate temporary buffers created at each call.
         - all required temporary buffers can be supplied or are auto-allocated only once.
-        - planning capability but no caching capabilities
+        - real planning capability (but no caching capabilities)
         - injection of custom opencl code for pre and post processing.
 
     Planning may destroy initial arrays content.
@@ -1010,7 +1010,7 @@ class GpyFFT(FFTI):
     out.data = out.base_data + out.offset 
     if (offset%alignment > 0)
         out.base_data[0:out.size] 
-        will be trashed during computation and the result of the transform will go to 
+        may be trashed during computation and the result of the transform will go to 
         out.base_data[out.offset:out.offset+out.size]
 
     Thus for every transforms out.base_data[0:min(out.offset,out.size)] may be overwritten with trash data.