diff --git a/trace-analysis.ipynb b/trace-analysis.ipynb
index afd5999..bbf94a4 100644
--- a/trace-analysis.ipynb
+++ b/trace-analysis.ipynb
@@ -386,7 +386,9 @@
     "from tqdm.notebook import tqdm\n",
     "from bisect import bisect\n",
     "\n",
-    "topic_name_filter = [\"/control/trajectory_follower/control_cmd\"]\n",
+    "# All topics containing any of these strings are considered end topics in E2E latency calculations\n",
+    "# E.g. /control/ will cover all control topics\n",
+    "end_topic_filters = [\"/control/trajectory_follower/control_cmd\"]\n",
     "\n",
     "\n",
     "def inst_get_dep_msg(inst: TrCallbackInstance):\n",
@@ -546,7 +548,7 @@
     "\n",
     "#for path in e2e_topic_paths:\n",
     "#    end_topics = path[-1]\n",
-    "end_topics = [t for t in _tracing_context.topics if any(f in t.name for f in topic_name_filter)]\n",
+    "end_topics = [t for t in _tracing_context.topics if any(f in t.name for f in end_topic_filters)]\n",
     "for end_topic in end_topics:\n",
     "    end_topic: TrTopic\n",
     "\n",
@@ -661,6 +663,8 @@
     "from typing import List\n",
     "from latency_graph.message_tree import DepTree\n",
     "\n",
+    "# All topics containing any of these strings are considered start topics in E2E latency calculations\n",
+    "# E.g. /sensing/ will cover all sensing topics\n",
     "start_topic_filters = [\"/vehicle/status/\", \"/sensing/imu\"]\n",
     "\n",
     "def leaf_topics(tree: DepTree, lvl=0):\n",