gpl-2.0 detected as gpl-3.0-plus

The following "matched_text" is clearly a gpl-2.0 notice, but SCTK detected it as 'gpl-3.0-plus`
> "matched_text": " * This driver is free software; you can redistribute it and/or modify\n * it under the terms of version 2 only of the GNU General Public License as\n * published by the Free Software Foundation.\n *\n * It is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program; if not, write to the Free Software\n * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA"
```
"tool_name": "scancode-toolkit",
"tool_version": "32.5.0",
```
```
{
"license_expression": "gpl-3.0-plus",
"license_expression_spdx": "GPL-3.0-or-later",
"matches": [
{
"license_expression": "gpl-3.0-plus",
"license_expression_spdx": "GPL-3.0-or-later",
"from_file": "linux-2.6/linux-2.6.30/drivers/net/wireless/ray_cs.c",
"start_line": 10,
"end_line": 21,
"matcher": "3-seq",
"score": 93.33,
"matched_length": 98,
"match_coverage": 93.33,
"rule_relevance": 100,
"rule_identifier": "gpl-3.0-plus_101.RULE",
"rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/gpl-3.0-plus_101.RULE",
"matched_text": " * This driver is free software; you can redistribute it and/or modify\n * it under the terms of version 2 only of the GNU General Public License as\n * published by the Free Software Foundation.\n *\n * It is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n * GNU General Public License for more details.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program; if not, write to the Free Software\n * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA"
}
],
"identifier": "gpl_3_0_plus-50a35d34-9a1a-73d8-8010-25c11aaad4ad"
},
```