diff --git a/bundles/org.eclipse.core.runtime/.options b/bundles/org.eclipse.core.runtime/.options
index f444fe5..db00068 100644
--- a/bundles/org.eclipse.core.runtime/.options
+++ b/bundles/org.eclipse.core.runtime/.options
@@ -1,21 +1,41 @@
+# Debugging options for the org.eclipse.core.runtime plugin
+
+# Turn on general debugging for the org.eclipse.core.runtime plugin.
+# Also displays startup times.
 org.eclipse.core.runtime/debug=true
+
+# Prints out values of OS, WS, NL, and ARCH
 org.eclipse.core.runtime/debug/context=false
+
+# Turn on debugging for the registry.
 org.eclipse.core.runtime/registry/debug=false
+# Specify a filename for a user-readable form of the plugin registry to be written to.
 org.eclipse.core.runtime/registry/debug/dump=
 org.eclipse.core.runtime/registry/debug/resolve=false
+
+# Turn on debugging for the class loader.
 org.eclipse.core.runtime/loader/debug=false
+# Display when class loaders are created.
 org.eclipse.core.runtime/loader/debug/create=false
+# Display when plugins are activated
 org.eclipse.core.runtime/loader/debug/activateplugin=false
+# Debug all class loader actions (finding resource, classes, libraries)
 org.eclipse.core.runtime/loader/debug/actions=false
+# Debug success case only
 org.eclipse.core.runtime/loader/debug/success=false
+# Debug failure case only
 org.eclipse.core.runtime/loader/debug/failure=false
+# Set filters for types of resources to debug. (e.g. org.eclipse.core.*)
 org.eclipse.core.runtime/loader/debug/filter/loader=*
 org.eclipse.core.runtime/loader/debug/filter/class=*
 org.eclipse.core.runtime/loader/debug/filter/resource=*
 org.eclipse.core.runtime/loader/debug/filter/native=*
+
+# Turn on debugging in the support for non-local plugins.
 org.eclipse.core.runtime/url/debug=false
 org.eclipse.core.runtime/url/debug/connect=false
 org.eclipse.core.runtime/url/debug/cachelookup=false
 org.eclipse.core.runtime/url/debug/cachecopy=false
-org.eclipse.core.runtime/update/debug=false
-org.eclipse.core.runtime/config/debug=false
\ No newline at end of file
+
+# Turn on debugging for install/update.
+org.eclipse.core.runtime/config/debug=false