diff --git a/doc/requirements.txt b/doc/requirements.txt
index f418b7552a..fde3699e3b 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -6,3 +6,5 @@ sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 sphinxcontrib-apidoc>=0.2.0  # BSD
 reno>=2.5.0 # Apache-2.0
 os-api-ref>=1.4.0 # Apache-2.0
+pyldap>=2.4.20 # PSF
+ldappool>=2.0.0 # MPL
diff --git a/doc/source/admin/identity-security-compliance.rst b/doc/source/admin/identity-security-compliance.rst
index 6547e6a350..f527368fe3 100644
--- a/doc/source/admin/identity-security-compliance.rst
+++ b/doc/source/admin/identity-security-compliance.rst
@@ -237,7 +237,7 @@ the keystone password change API, keystone supports setting that user's option
    {
        "user": {
            "options": {
-               "lock_password": True
+               "lock_password": true
            }
        }
    }