diff --git a/lib/skipper/live_view_test.ex b/lib/skipper/live_view_test.ex
index 62f898c..222d14c 100644
--- a/lib/skipper/live_view_test.ex
+++ b/lib/skipper/live_view_test.ex
@@ -74,13 +74,13 @@ defmodule Skipper.LiveViewTest do
   #############
   # Assertions
 
+  @deprecated "The function assert_html/2 is deprecated. Use assert_visible/2 instead"
   def assert_html(session, expected) do
-    IO.warn("The function assert_html/2 is deprecated. Use assert_visible/2 instead")
     assert_visible(session, expected)
   end
 
+  @deprecated "The function refute_html/2 is deprecated. Use refute_visible/2 instead"
   def refute_html(session, expected) do
-    IO.warn("The function refute_html/2 is deprecated. Use refute_visible/2 instead")
     refute_visible(session, expected)
   end
 
@@ -173,7 +173,7 @@ defmodule Skipper.LiveViewTest do
 
   def assert_path({conn, {:ok, view, html}}, path) do
     IO.warn("""
-    Tests should avoid leaking details about the underlying framework.Lean
+    Tests should avoid leaking details about the underlying framework. Lean
     on asserting things about the page itself rather than LiveView-specific
     concepts like "patching".
     """)