Clarify that release is a sample of a larger dataset

README.md

@@ -25,7 +25,7 @@ pretty_name: "Emergency Fire Hydrant Dataset - Global Fire Safety Infrastructure
 
 This dataset maps emergency fire hydrant features from OpenStreetMap. A fire hydrant is a mapped connection to a water supply that can support firefighting operations. The records provide a geographic starting point for infrastructure analysis, emergency-service mapping, and data-quality work.
 
-This release contains up to **1,100,000 geolocated records** from 2025. The export is capped at 1.1 million records, so it should be understood as a large snapshot rather than a complete count of every mapped feature.
+This release contains geolocated records from 2025 and is provided as a sample of a much larger dataset of mapped features.
 
 Prepared and distributed by **[EmbedEarth](https://embed.earth)** from **[OpenStreetMap contributors](https://www.openstreetmap.org/copyright)**.