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: [ENCSR836SPL](https://www.encodeproject.org/experiments/ENCSR836SPL/)
 - Model annotation: [ENCSR660YFG](https://www.encodeproject.org/annotations/ENCSR660YFG/)
 - Biosample: WTC11 (Full name: Homo sapiens WTC11 genetically modified (insertion) using CRISPR targeting H. sapiens E2F1)
-- Cell slim(s): stem cell, connective tissue cell, induced pluripotent stem cell, fibroblast
+- Cell slim(s): fibroblast, connective tissue cell, induced pluripotent stem cell, stem cell
 - Organ slim(s): connective tissue, skin of body
 - Developmental slim(s): ectoderm
 - System slim(s): integumental 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).