diff --git a/mix.exs b/mix.exs
index 7c40c6e..e99ca25 100644
--- a/mix.exs
+++ b/mix.exs
@@ -10,7 +10,7 @@ defmodule Mix.Tasks.Compile.Nif do
     `["c_src"]`. Can be configured as:
 
     ````
-    [ptahs: ["c_src", "vendor/src"]]
+    [paths: ["c_src", "vendor/src"]]
     ````
 
   * `:exts` - extensions of the source files. Defaults to `[:c]`, can