diff --git a/lib/elixir/lib/string.ex b/lib/elixir/lib/string.ex
index 16a071d8b4..5e093c5416 100644
--- a/lib/elixir/lib/string.ex
+++ b/lib/elixir/lib/string.ex
@@ -894,10 +894,10 @@ defmodule String do
 
   The trait can be one of two options:
 
-    * `:valid` – the string is split into chunks of valid and invalid character
+    * `:valid`     - the string is split into chunks of valid and invalid character
       sequences
 
-    * `:printable` – the string is split into chunks of printable and
+    * `:printable` - the string is split into chunks of printable and
       non-printable character sequences
 
   Returns a list of binaries each of which contains only one kind of
diff --git a/lib/elixir/lib/supervisor.ex b/lib/elixir/lib/supervisor.ex
index ef0142510b..7b691b8940 100644
--- a/lib/elixir/lib/supervisor.ex
+++ b/lib/elixir/lib/supervisor.ex
@@ -428,7 +428,7 @@ defmodule Supervisor do
 
     * `type` - `:worker` or `:supervisor` as defined in the child specification
 
-    * `modules` – as defined in the child specification
+    * `modules` - as defined in the child specification
   """
   @spec which_children(supervisor) ::
         [{Supervisor.Spec.child_id | :undefined,