ipauser: Better description of UID and GID parameters

This patch provides better text for the description of UID and GID
parameters.

README-user.md

@@ -393,8 +393,8 @@ Variable | Description | Required
 `passwordexpiration` \| `krbpasswordexpiration` | The kerberos password expiration date. Possible formats: `YYYYMMddHHmmssZ`, `YYYY-MM-ddTHH:mm:ssZ`, `YYYY-MM-ddTHH:mmZ`, `YYYY-MM-ddZ`, `YYYY-MM-dd HH:mm:ssZ` or `YYYY-MM-dd HH:mmZ`. The trailing 'Z' can be skipped. Only usable with IPA versions 4.7 and up. | no
 `password` | The user password string. | no
 `random` | Generate a random user password | no
-`uid` \| `uidnumber` | The UID integer. | no
-`gid` \| `gidnumber` | The GID integer. | no
+`uid` \| `uidnumber` | User ID Number (system will assign one if not provided). | no
+`gid` \| `gidnumber` | Group ID Number. | no
 `city` | City | no
 `userstate` \| `st` | State/Province | no
 `postalcode` \| `zip` | Postalcode/ZIP | no

plugins/modules/ipauser.py

@@ -124,12 +124,12 @@ options:
         required: false
         type: bool
       uid:
-        description: The UID
+        description: User ID Number (system will assign one if not provided)
         type: int
         required: false
         aliases: ["uidnumber"]
       gid:
-        description: The GID
+        description: Group ID Number
         type: int
         required: false
         aliases: ["gidnumber"]
@@ -348,12 +348,12 @@ options:
     required: false
     type: bool
   uid:
-    description: The UID
+    description: User ID Number (system will assign one if not provided)
     type: int
     required: false
     aliases: ["uidnumber"]
   gid:
-    description: The GID
+    description: Group ID Number
     type: int
     required: false
     aliases: ["gidnumber"]