Re-title pickle section

parslfest/parslfest2024.html

@@ -142,7 +142,7 @@ <h4 id="friday-sesh" style="color: #285893;">Friday Afternoon Session: 🍄 Leve
 	<p>By popular demand, our Friday afternoon session will be a skill enhancement opportunity called 🍄 Level Up – an advanced educational session led by Ben Clifford that dives deeper into Parsl's codebase. This session, aimed at Parsl power users, will consist of six 25-minute sessions that focus on the following topics:</p>
 	<ul>
 		<li>Running a task: from app definition to an htex worker and back again</li>
-		<li>Pickle: serializing things with an emphasis on common Parsl problems: (un)installed packages, functions and exceptions</li>
+		<li>Getting objects to workers: pickle, with an emphasis on common Parsl problems such as (un)installed packages, functions and exceptions</li>
 		<li>Batch systems: blocks, providers, launchers, scaling</li>
 		<li>Elaborating tasks: dependencies, retries, checkpointing, file staging, join_apps</li>
 		<li>Understanding the monitoring database</li>