Updated doc/script_commands.txt, as follow up 6295c77d393555fe5a366f092a75f4cf0d2de933.

Signed-off-by: Cydh Ramdh <cydh@pservero.com>

doc/script_commands.txt

@@ -446,13 +446,14 @@ temporary - They cease to exist when the server resets.
 
 Prefix: scope and extent
 nothing  - A permanent variable attached to the character, the default variable
-           type. They are stored in the `global_reg_value` table using type 3.
+           type. They are stored by char-server in the `global_acc_reg_num` and
+           `global_acc_reg_str`.
 "@"      - A temporary variable attached to the character.
            SVN versions before 2094 revision and RC5 version will also treat
            'l' as a temporary variable prefix, so beware of having variable
            names starting with 'l' if you want full backward compatibility.
 "$"      - A global permanent variable.
-           They are stored in database table `mapreg`.
+           They are stored by map-server in database table `mapreg`.
 "$@"     - A global temporary variable.
            This is important for scripts which are called with no RID
            attached, that is, not triggered by a specific character object.
@@ -468,13 +469,14 @@ nothing  - A permanent variable attached to the character, the default variable
            callsub/callfunc starts a new scope, returning from the function 
            ends it. When a scope ends, its variables are converted to values 
            ('return .@var;' returns a value, not a reference).
-"'"      - An instance variable
+"'"      - An instance variable.
            These are used with the instancing system, and are unique to each 
            party's instance.
 "#"      - A permanent local account variable.
-           They are stored in the `global_reg_value` table using type 2.
+           They are stored by char-server in the `char_reg_num` table and
+           `char_reg_str`.
 "##"     - A permanent global account variable stored by the login server.
-           They are stored in the `global_reg_value` table using type 1.
+           They are stored in the `acc_reg_num` table and `acc_reg_str`.
            The only difference you will note from normal # variables is when
            you have multiple char-servers connected to the same login server.
            The # variables are unique to each char-server, while the ## variables