diff --git a/jarvis_core/util/__init__.py b/jarvis_core/util/__init__.py
index b6e2d74..02ebf37 100644
--- a/jarvis_core/util/__init__.py
+++ b/jarvis_core/util/__init__.py
@@ -48,8 +48,9 @@ async def hash(
     Hash an object.
 
     Args:
-        hash_func: Hash function, default `hashlib.sha256`
         data: URL or text to hash
+        method: Hash function/function name, default `hashlib.sha256`
+        size: Blocksize, default `8 MB`
 
     Returns:
         Tuple of hash hex, data size, and content type
diff --git a/jarvis_core/util/http.py b/jarvis_core/util/http.py
index 657ce62..2a798b7 100644
--- a/jarvis_core/util/http.py
+++ b/jarvis_core/util/http.py
@@ -24,4 +24,4 @@ async def get_size(link: str) -> int:
     async with ClientSession() as session:
         resp = await session.get(link)
         resp.raise_for_status()
-        return resp.content_length
+        return resp.content_length or -1