diff --git a/crates/apub/src/lib.rs b/crates/apub/src/lib.rs
index 5f3603bb3..c8960b008 100644
--- a/crates/apub/src/lib.rs
+++ b/crates/apub/src/lib.rs
@@ -29,6 +29,8 @@ pub(crate) mod mentions;
 pub mod objects;
 pub mod protocol;
 
+/// Maximum number of outgoing HTTP requests to fetch a single object. Needs to be high enough
+/// to fetch a new community with posts, moderators and featured posts.
 pub const FEDERATION_HTTP_FETCH_LIMIT: u32 = 100;
 
 /// Only include a basic context to save space and bandwidth. The main context is hosted statically