diff --git a/src/hz.erl b/src/hz.erl
index 4f22c8e..3218f56 100644
--- a/src/hz.erl
+++ b/src/hz.erl
@@ -356,7 +356,7 @@ top_height() ->
     when TopBlock :: microblock_header(),
          Reason   :: chain_error().
 %% @doc
-%% Returns the current top block of the chain.
+%% Returns the header of the current top block.
 
 top_block() ->
     request("/v3/headers/top").