diff --git a/source/_addons/git_pull.markdown b/source/_addons/git_pull.markdown
index fb7579a3900..2be4cd85d2c 100644
--- a/source/_addons/git_pull.markdown
+++ b/source/_addons/git_pull.markdown
@@ -61,7 +61,7 @@ Load and update configuration files for Home Assistant from a [Git](https://git-
 * **interval** (*Required*): The interval in seconds to poll the repo for if automatic polling is enabled.
 - **deployment_user** (*Optional*): Username to use when authenticating to a repository with a username and password.
 - **deployment_password** (*Optional*): Password to use when authenticating to a repository.  Ignored if `deployment_user` is not set.
-- **deployment_key** (*Optional*): A private SSH key that will be used for communication during Git operations. This key is mandatory for ssh-accessed repositories, which are the ones with the following pattern: `<user>@<host>:<repository path>`.
+- **deployment_key** (*Optional*): A private SSH key that will be used for communication during Git operations. This key is mandatory for ssh-accessed repositories, which are the ones with the following pattern: `<user>@<host>:<repository path>`. This key has to be created without a passphrase.
 - **deployment_key_protocol** (*Optional*): The key protocol. Default is `rsa`. Valid protocols are:
 
   * **dsa**