Improve ql/doc style

Author: smowton

java/ql/test/library-tests/frameworks/spring/componentscan/SpringProfiles.qll

@@ -2,16 +2,16 @@ import java
 import semmle.code.java.frameworks.spring.Spring
 
 /**
- * Mark the XML configuration profile as never enabled. This should allow us to deduce that the
+ * A marker class that marks the XML configuration profile as never enabled. This should allow us to deduce that the
  * com.semmle.g.ProfileComponent is dead, because com.semmle.g is only a base package in the
  * profile-config.xml file, which is only enabled if xmlConfigurationProfile is enabled.
  */
-class XMLConfigurationProfile extends NeverEnabledSpringProfile {
-  XMLConfigurationProfile() { this = "xmlConfigurationProfile" }
+class XmlConfigurationProfile extends NeverEnabledSpringProfile {
+  XmlConfigurationProfile() { this = "xmlConfigurationProfile" }
 }
 
 /**
- * Mark the annotation profile as always enabled. This should allow us to deduce that the
+ * A marker class that marks the annotation profile as always enabled. This should allow us to deduce that the
  * com.semmle.e.DeadProfileComponent is dead, because the profile is "!annotationProfile", and that
  * com.semmle.e.LiveProfileComponent is live, because the profile is "annotationProfile".
  */