diff --git a/Microcategories.md b/Microcategories.md
index 6f754b0..1e20cc1 100644
--- a/Microcategories.md
+++ b/Microcategories.md
@@ -1,7 +1,9 @@
-The API maps OSM amenities to the following micro-categories that are used by clients for pin icon selection.
+The BTC Map API maps OSM amenities to the following micro-categories that are used by clients for pin icon selection.
 
 The mapping code is [here](https://github.com/teambtcmap/btcmap-api/blob/b357aa372cb65f230e38553ea3bdcc50e9a28c7b/src/rpc/generate_element_icons.rs#L83).
 
+Each category is mapped to a [Google Material Icons](https://fonts.google.com/icons) font name.
+
 Here are a list of the 110 micro-categories (icons):
 
 - Storefront