README.md in adhoq-0.5.0 vs README.md in adhoq-1.0.0

@@ -10,10 +10,10 @@
 - Export ad-hoc SQL reports in some formats:
   - .csv
   - .json
   - .xlsx
 - Persist generated report as local file or in AWS S3
-- Rails 4.x
+- over Rails 5.1.X
 - Nice administration console with rails engine
 
 ### Future planning
 
 - [ ] Label data substitution