Code review:

- change wording
- add wrapper version as custom value
- change variable name
- add a comment on distributionUrl pattern

.mvn/gradle-enterprise-custom-user-data.groovy

@@ -96,20 +96,23 @@ if (System.env.GITHUB_ACTIONS) {
     }
 }
 
-// Check current Maven version and Maven Wrapper version  alignment
+// Check runtime Maven version and Maven Wrapper version are aligned
 def runtimeInfo = (org.apache.maven.rtinfo.RuntimeInformation) session.lookup("org.apache.maven.rtinfo.RuntimeInformation")
-def currentMavenVersion = runtimeInfo?.getMavenVersion()
+def runtimeMavenVersion = runtimeInfo?.getMavenVersion()
 Properties mavenWrapperProperties = new Properties()
 File mavenWrapperPropertiesFile = new File(".mvn/wrapper/maven-wrapper.properties")
 if(mavenWrapperPropertiesFile.exists()) {
     mavenWrapperPropertiesFile.withInputStream {
         mavenWrapperProperties.load(it)
     }
+    // assuming the wrapper properties contains:
+    // distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/VERSION/apache-maven-VERSION-bin.zip
     if(regexp = mavenWrapperProperties."distributionUrl" =~ /.*\/apache-maven-(.*)-bin\.zip/) {
         def wrapperMavenVersion = regexp.group(1)
-        if (currentMavenVersion && wrapperMavenVersion && wrapperMavenVersion != currentMavenVersion) {
-            log.warn("Maven Wrapper is configured with a different version (" + wrapperMavenVersion + ") than the current one (" + currentMavenVersion + "). This will negatively impact build caching.")
+        if (runtimeMavenVersion && wrapperMavenVersion && wrapperMavenVersion != runtimeMavenVersion) {
+            log.warn("Maven Wrapper is configured with a different version (" + wrapperMavenVersion + ") than the runtime version (" + runtimeMavenVersion + "). This will negatively impact build consistency and build caching.")
             buildScan.tag("misaligned-maven-version")
+            buildScan.value("wrapper-maven-version", wrapperMavenVersion)
         }
     }
 }