Scanned license did not show up in definition

Component: [dom4j/dom4j/1.6.1](https://clearlydefined.io/definitions/maven/mavencentral/dom4j/dom4j/1.6.1/1.6.1)

ScanCode detected the license as Plexus, but it did not show up as detected in the definition. Section of harvested data with license:

"licenses": [
{
"key": "dom4j",
"score": 100,
"name": "Dom4j License",
"short_name": "Dom4j License",
"category": "Permissive",
"is_exception": false,
"owner": "dom4j",
"homepage_url": "http://www.dom4j.org/",
"text_url": "http://www.dom4j.org/dom4j-1.6.1/license.html",
"reference_url": "https://enterprise.dejacode.com/urn/urn:dje:license:dom4j",
"spdx_license_key": "Plexus",
"spdx_url": "https://spdx.org/licenses/Plexus",
"start_line": 3,
"end_line": 40,
"matched_rule": {
"identifier": "dom4j.LICENSE",
"license_expression": "dom4j",
"licenses": [
"dom4j"