diff --git a/docsite/rst/playbooks_lookups.rst b/docsite/rst/playbooks_lookups.rst
index 5c8de0b051e..3eb5ebb35cc 100644
--- a/docsite/rst/playbooks_lookups.rst
+++ b/docsite/rst/playbooks_lookups.rst
@@ -73,7 +73,7 @@ Starting in version 1.4, password accepts a "chars" parameter to allow defining
 
         # create a mysql user with a random password using only ascii letters:
         - mysql_user: name={{ client }}
-                      password="{{ lookup('password', '/tmp/passwordfile chars=ascii') }}"
+                      password="{{ lookup('password', '/tmp/passwordfile chars=ascii_letters') }}"
                       priv={{ client }}_{{ tier }}_{{ role }}.*:ALL
 
         # create a mysql user with a random password using only digits:
@@ -83,7 +83,7 @@ Starting in version 1.4, password accepts a "chars" parameter to allow defining
 
         # create a mysql user with a random password using many different char sets:
         - mysql_user: name={{ client }}
-                      password="{{ lookup('password', '/tmp/passwordfile chars=ascii,numbers,digits,hexdigits,punctuation') }}"
+                      password="{{ lookup('password', '/tmp/passwordfile chars=ascii_letters,digits,hexdigits,punctuation') }}"
                       priv={{ client }}_{{ tier }}_{{ role }}.*:ALL
 
         (...)