Slightly change Profile.toString() for better readability

Change-Id: I88f09b488b9a0466618d2a5d083de9833d4efa61
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.p2/+/181828
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
diff --git a/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/Profile.java b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/Profile.java
index f813eb6..e7dab0b 100644
--- a/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/Profile.java
+++ b/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/Profile.java
@@ -407,6 +407,6 @@
 	 */
 	@Override
 	public String toString() {
-		return "Profile(" + getProfileId() + '/' + getTimestamp() + ')'; //$NON-NLS-1$
+		return "Profile(" + getProfileId() + ", timestamp: " + getTimestamp() + ')'; //$NON-NLS-1$ //$NON-NLS-2$
 	}
 }