further changes to README.md: typo fixed, clarified statement about ufuncs

Author: oleksandr-pavlyk

README.md

@@ -3,9 +3,9 @@
 To build it:
 
 ```sh
-# ensure that MKL is installed, icc is activate
+# ensure that MKL is installed, icc is activated
 MKLROOT=$CONDA_PREFIX python setup.py config_cc --compiler=intelem build_ext --inplace
 ```
 
-`mkl_umath` in extension `_ufuncs` exposes MKL-enabled version of loops used in patched NumPy,
+`mkl_umath._ufuncs` exposes MKL-enabled version of loops used in patched NumPy,
 that used to be included in Intel(R) Distribution for Python