update docs for --account-name-case and --role-name case

based on feedback in #48

docs/configure.md

@@ -274,6 +274,27 @@ A useful piece of syntax for this is lookahead/lookbehind assertions.
 * `(?<!My)Role` would turn `"AdminRole"` into `"Admin"` and `"UserRole"` into `"User"` but leave `"MyRole"` as is.
 * `RoleFor(?=Admin)` and `RoleFor(?!My)` work similarly for suffixes.
 
+### Change the case of account and role names
+
+You can alter the case of your profile names with `--account-name-case` and
+`--role-name-case`. Use these to change the generated profile names after
+assembly and trimming.
+
+The values for these options are as follows, and correspond to the Python string methods of the same names:
+
+    * [`capitalize`](https://docs.python.org/3/library/stdtypes.html#str.capitalize)
+    * [`casefold`](https://docs.python.org/3/library/stdtypes.html#str.casefold)
+    * [`lower`](https://docs.python.org/3/library/stdtypes.html#str.lower)
+    * [`upper`](https://docs.python.org/3/library/stdtypes.html#str.upper)
+
+For example, to lowercase both the account name and role name, add these options:
+
+    --account-name-case lower --role-name-case lower
+
+If you want to see what it does, try a dry run:
+
+    aws-sso-util configure populate --region $AWS_REGION --dry-run --account-name-case lower --role-name-case lower
+
 ### Profile name process
 
 Finally, if you want total control over the generated profile names, you can provide a shell command with `--profile-name-process` and it will be executed with the following positional arguments:
@@ -304,26 +325,3 @@ region_str = "" if region_index == 0 else sep + short_region_name
 print(account_name + sep + role_name + region_str)
 ```
 If this was stored as `profile_formatter.py`, it could be used as `--profile-name-process "python profile_formatter.py"`
-
-### Change the case of profile names
-
-If you don't want to run (and maintain) a process completely outside of the
-`--profile-name-process`, an option between trimming account & role names and
-executing a separate process is available with `--account-name-case` and
-`--role-name-case`. Use these to change the generated profile names after
-assembly and trimming.
-
-Case modifications include:
-
-    * `capitalize`
-    * `casefold`
-    * `lower`
-    * `upper`
-
-For example, to lowercase both the account name and role name, add these options:
-
-    --account-name-case lower --role-name-case lower
-
-If you want to see what it does, try a dry run:
-
-    aws-sso-util configure populate --region $AWS_REGION --dry-run --account-name-case lower --role-name-case lower