diff --git a/docs/cargo_features.md b/docs/cargo_features.md
index 67ca4dc9a8..c14e289475 100644
--- a/docs/cargo_features.md
+++ b/docs/cargo_features.md
@@ -93,7 +93,7 @@ The default feature set enables most of the expected features of a game engine,
 |gltf_convert_coordinates_default|Enable converting glTF coordinates to Bevy's coordinate system by default. This will be Bevy's default behavior starting in 0.18.|
 |hotpatching|Enable hotpatching of Bevy systems|
 |http|Enables downloading assets from HTTP sources|
-|http_source_cache|Assets downloaded from HTTP sources are cached|
+|http_source_cache|Enable caching downloaded assets on the filesystem. NOTE: this cache currently never invalidates entries!|
 |https|Enables downloading assets from HTTPS sources|
 |ico|ICO image format support|
 |jpeg|JPEG image format support|