diff --git a/docs/api-reference/geo-layers/tile-layer.md b/docs/api-reference/geo-layers/tile-layer.md
index 34c3427bc5f..7d87b5a93f6 100644
--- a/docs/api-reference/geo-layers/tile-layer.md
+++ b/docs/api-reference/geo-layers/tile-layer.md
@@ -281,6 +281,8 @@ If not supplied, the `maxCacheSize` is calculated as `5` times the number of til
 
 The maximum memory used for caching tiles. If this limit is supplied, `getTileData` must return an object that contains a `byteLength` field.
 
+If not supplied, the `maxCacheByteSize` is set to `Infinity`.
+
 - Default: `null`