CLDR-17893 Fix typos, wording

docs/ldml/tr35-info.md

@@ -1235,17 +1235,19 @@ If any key-values are invalid, then they are ignored. Thus the following constru
 | --- | --- |
 | -mu-smoot | invalid unit |
 | -ms-stanford | invalid unit system |
-| -rg-aazzzz | invalid region 'AA' ‡|
-| -AA | invalid region 'AA'|
+| -rg-abzzzz | invalid region 'AB' ‡|
+| -AB | invalid region 'AB'|
 
-‡ Only the region portion is currently used, so in -rg-usabcdef the "abcdef" is ignored, whether or not it is valid.
+‡ Only the region portion is currently used.
+The -rg-abzzzz is ignored because AB is invalid; 
+if it were -rg-ustuvxy, it would not be ignored because US is valid.
 The table below shows when the region portion is valid or not.
 
-| Subdivision | Region | Used in -rg? | Comment |
+| Subdivision Code | Region | -rg used? | Comment |
 | --- | --- | --- | --- |
-| usca | US | Yes | Both the subdivision code (US Texas) and its region portion (US) are valid |
-| usabc | US | Yes | The subdivision code is invalid, but its region portion (US) is valid |
-| abcdef | AB | No | Both the subdivision code and its region portion (~AB~) are invalid |
+| usut | US | Yes | Both the region portion (US) are valid and the subdivision portion (Utah) are value.  |
+| usabc | US | Yes | The region portion (US) is valid, but the subdivision portion is not. |
+| ab... | AB | No, ignored | The region portion (AB) is invalid, and thus the subdivision portion must also be. |
 
 The following algorithm is used to compute the override units, regions, and category.
 The latter two items are used in the [Unit Preferences Data](#Unit_Preferences_Data).
@@ -1260,8 +1262,8 @@ If there is no valid -mu value, the following steps are used to determine a regi
 
 1. If there is a valid -ms value then let USM  be the corresponding value in column 2 of the table below.
 Otherwise FR is not used. In either case continue with step 2.
-2. If there is a valid -rg region code as the prefix of its subdivision value, let R be that region, and go to Compute the category.
-	* See the table above for the examples `usca`, `usabc`, and `abcdef`
+2. If there is a valid -rg region code portion of the rg value, let R be that region, and go to Compute the category.
+	* See the table above for the examples `usut`, `usabc`, and `abcdef`
 4. If there is a valid region in the locale, let R be that region, and go to Compute the category.
 5. Otherwise, compute the likely subtags for the locale.
      1. If there is a likely region, then let R be that region, and go to Compute the category.