Update CHANGES

Author: oesteban

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@@ -1,6 +1,8 @@
 Next release
 ============
 
+* ENH: Improved FieldMap-Based (FMB) workflow for correction of susceptibility distortions in EPI seqs.
+       (https://github.com/nipy/nipype/pull/1019)
 * ENH: New io interfaces for JSON files reading/writing (https://github.com/nipy/nipype/pull/1020)
 * ENH: Enhanced openfmri script to support freesurfer linkage (https://github.com/nipy/nipype/pull/1037)
 * BUG: matplotlib is supposed to be optional (https://github.com/nipy/nipype/pull/1003)