Relicense to MIT; update model card

README.md

@@ -1,5 +1,5 @@
 ---
-license: cc-by-4.0
+license: mit
 library_name: bpnet
 tags:
   - bpnet
@@ -36,7 +36,7 @@ For more information about the models, see:
 - Experiment: [ENCSR041AXL](https://www.encodeproject.org/experiments/ENCSR041AXL/)
 - Model annotation: [ENCSR830DNP](https://www.encodeproject.org/annotations/ENCSR830DNP/)
 - Biosample: K562 (Full name: Homo sapiens K562)
-- Cell slim(s): hematopoietic cell, leukocyte, cancer cell
+- Cell slim(s): cancer cell, hematopoietic cell, leukocyte
 - Organ slim(s): bodily fluid, blood
 - Developmental slim(s): mesoderm
 - System slim(s): immune system
@@ -130,8 +130,8 @@ predictions = model.predict([
 
 ## License & citation
 
-External data users may freely download, analyze and publish results based on any
-ENCODE data without restrictions.
+Released under the MIT license.
 
-Released under the ENCODE data-use policy. Please cite the ENCODE Project
-Consortium and the model software: BPNet (Avsec et al., Nat Genet 2021).
+The models are derived from ENCODE data (unrestricted use under the ENCODE
+data-use policy). Please cite the ENCODE Project Consortium and the model
+software: BPNet (Avsec et al., Nat Genet 2021).