diff --git a/bitstreams.md b/bitstreams.md
index 9c964fee..18f144f4 100644
--- a/bitstreams.md
+++ b/bitstreams.md
@@ -33,6 +33,12 @@ Exposed links:
 * bundle: link to the bundle, not embedded
 * thumbnail: the thumbnail of the bitstream
 
+Status codes:
+* 200 OK - if the bitstream is found and its metadata is visible to the current user or the anonymous user
+* 401 Unauthorized - if the bitstream exists, but you are not authenticated and its metadata is not visible to anonymous users
+* 403 Forbidden - if the bitstream exists, but you are not logged in with sufficient permissions to see its metadata
+* 404 Not Found - if the identifier is malformed, the bitstream doesn't exist, or the UUID belongs to a different type of DSpace object
+
 ## Patch operations
 
 Bitstream metadata can be modified as described in [Modifying metadata via Patch](metadata-patch.md).
@@ -255,4 +261,4 @@ The `PATCH` request body includes the UUIDs of the bitstreams to be deleted.
     "path": "/bitstreams/5a3f7c7a-d3df-419c-8a2-f00ede62c60a"
   }
 ]
-```
+```
\ No newline at end of file
diff --git a/items.md b/items.md
index abfc4e9a..39b501d5 100644
--- a/items.md
+++ b/items.md
@@ -93,9 +93,9 @@ Exposed links:
 
 Status codes:
 * 200 OK - if the item is found and it is visible to the current user or the anonymous user. Withdrawn items are returned
-* 401 Unauthorized - if you are not authenticated and the item is not visible to anonymous users
-* 403 Forbidden - if you are not logged in with sufficient permissions. Please note that withdrawn items are visible to everyone without any metadata details
-* 404 Not found - if the item doesn't exist
+* 401 Unauthorized - if the item exists, but you are not authenticated and it is not visible to anonymous users
+* 403 Forbidden - if the item exists, but you are not logged in with sufficient permissions. Please note that withdrawn items are visible to everyone without any metadata details
+* 404 Not Found - if the identifier is malformed, the item doesn't exist, or the UUID belongs to a different type of DSpace object
 
 ### Withdrawn item
 A withdrawn item is a normal item that has been retired from the repository using a patch operation as described below. Once withdrawn the response will show an empty metadata section to everyone except than administrators.