Label synthetic dataset (banner + tag + data_type)

README.md

@@ -1,21 +1,25 @@
 ---
 license: cc-by-4.0
 task_categories:
-  - tabular-classification
-  - tabular-regression
+- tabular-classification
+- tabular-regression
 language:
-  - en
+- en
 tags:
-  - agriculture
-  - africa
-  - synthetic-data
-  - sub-saharan-africa
-  - irrigation
-  - water-management
+- agriculture
+- africa
+- synthetic-data
+- sub-saharan-africa
+- irrigation
+- water-management
+- synthetic
 size_categories:
-  - 10K<n<100K
+- 10K<n<100K
+data_type: synthetic
 ---
 
+> ⚠️ **Synthetic dataset** — Parameterized from published SSA literature, not real observations. Not suitable for empirical analysis or policy inference.
+
 # Irrigation Access and Efficiency - Sub-Saharan Africa
 
 Synthetic dataset capturing irrigation infrastructure, access, and water use efficiency among smallholder farmers. Covers irrigation types, water sources, costs, and productivity impacts across diverse farming systems.