Update README.md

README.md

@@ -14,11 +14,11 @@ dataset_info:
   - name: description
     dtype: string
   - name: last_updated
-    dtype: timestamp[s]
+    dtype: timestamp[ms]
   - name: coverage_timeframe
     dtype: string
   - name: created_at
-    dtype: timestamp[s]
+    dtype: timestamp[ms]
   splits:
   - name: train
     num_bytes: 3419
@@ -55,9 +55,9 @@ The catalog uses the following schema to track and document datasets:
 | supported_entities | sequence[string] | List of entity types contained in the dataset (e.g., ["Airport", "Flight", "Policy"]) |
 | supported_events | sequence[string] | List of event types the dataset can track (e.g., ["FlightCancellation", "HubClosure"]) |
 | description | string | Detailed description of the dataset's contents, format, and relevance to crisis prediction |
-| last_updated | timestamp[s] | When the dataset itself was last updated, in milliseconds since epoch |
+| last_updated | timestamp[ms] | When the dataset itself was last updated, in milliseconds since epoch |
 | coverage_timeframe | string | Time period covered by the dataset (e.g., "2020-03-20 to 2020-03-27") |
-| created_at | timestamp[s] | When this catalog entry was created, in milliseconds since epoch |
+| created_at | timestamp[ms] | When this catalog entry was created, in milliseconds since epoch |
 
 ### Example Entry
 ```sql