diff --git a/crates/arc-cli/src/main.rs b/crates/arc-cli/src/main.rs
index 5869d995e..2575a36e0 100644
--- a/crates/arc-cli/src/main.rs
+++ b/crates/arc-cli/src/main.rs
@@ -24,12 +24,12 @@ enum Command {
     },
     /// Run an agentic coding session
     Agent(arc_agent::cli::AgentArgs),
-    /// Launch and manage pipeline runs
+    /// Launch and manage workflow runs
     Run {
         #[command(subcommand)]
         command: RunCommand,
     },
-    /// Validate a pipeline
+    /// Validate a workflow
     Validate(arc_workflows::cli::ValidateArgs),
     /// List and test LLM models
     Models {
@@ -42,11 +42,11 @@ enum Command {
 
 #[derive(Subcommand)]
 enum RunCommand {
-    /// Launch a pipeline from a .dot or .toml task file
+    /// Launch a workflow from a .dot or .toml task file
     Start(arc_workflows::cli::RunArgs),
-    /// List pipeline runs
+    /// List workflow runs
     List(arc_workflows::cli::runs::RunsListArgs),
-    /// Delete old pipeline runs
+    /// Delete old workflow runs
     Prune(arc_workflows::cli::runs::RunsPruneArgs),
 }
 
diff --git a/crates/arc-cli/tests/cli.rs b/crates/arc-cli/tests/cli.rs
index e62744089..88b9ef7c9 100644
--- a/crates/arc-cli/tests/cli.rs
+++ b/crates/arc-cli/tests/cli.rs
@@ -498,17 +498,17 @@ fn dry_run_writes_ndjson_and_live_json() {
     );
     assert!(first_line.get("event").is_some(), "line should have event");
 
-    // Events should contain PipelineStarted (may not be first due to exec env events)
-    let has_pipeline_started = lines.iter().any(|line| {
+    // Events should contain WorkflowRunStarted (may not be first due to exec env events)
+    let has_run_started = lines.iter().any(|line| {
         let parsed: serde_json::Value = serde_json::from_str(line).unwrap();
-        parsed["event"].get("PipelineStarted").is_some()
+        parsed["event"].get("WorkflowRunStarted").is_some()
     });
     assert!(
-        has_pipeline_started,
-        "events should contain PipelineStarted"
+        has_run_started,
+        "events should contain WorkflowRunStarted"
     );
 
-    // run_id should be non-empty after PipelineStarted
+    // run_id should be non-empty after WorkflowRunStarted
     let last_line: serde_json::Value = serde_json::from_str(lines[lines.len() - 1]).unwrap();
     let run_id = last_line["run_id"].as_str().unwrap();
     assert!(!run_id.is_empty(), "run_id should be non-empty");