diff --git a/README.hec.md b/README.hec.md
index 22e740b..bc0a9bd 100644
--- a/README.hec.md
+++ b/README.hec.md
@@ -10,7 +10,7 @@
    * [token (required)](#token-required)
    * [default_host](#default_host)
    * [host_key](#host_key)
-   * [defaout_source](#defaout_source)
+   * [default_source](#default_source)
    * [source_key](#source_key)
    * [default_index](#default_index)
    * [index_key](#index_key)
@@ -82,7 +82,7 @@ If you set this, the value is set as host metadata.
 
 If you set this, the value associated with this key in each record is used as host metadata. When the key is missing, `default_host` is used.
 
-### defaout_source
+### default_source
 
 If you set this, the value is set as source metadata.