diff --git a/omdb/src/bin/omdb/main.rs b/omdb/src/bin/omdb/main.rs
index eaf3a891f9..d0c47f8e2a 100644
--- a/omdb/src/bin/omdb/main.rs
+++ b/omdb/src/bin/omdb/main.rs
@@ -25,7 +25,7 @@ use clap::Subcommand;
 
 mod db;
 mod nexus;
-mod sled;
+mod sled_agent;
 
 #[tokio::main]
 async fn main() -> Result<(), anyhow::Error> {
@@ -38,7 +38,7 @@ async fn main() -> Result<(), anyhow::Error> {
     match args.command {
         OmdbCommands::Db(db) => db.run_cmd(&log).await,
         OmdbCommands::Nexus(nexus) => nexus.run_cmd(&log).await,
-        OmdbCommands::Sled(sled) => sled.run_cmd(&log).await,
+        OmdbCommands::SledAgent(sled) => sled.run_cmd(&log).await,
     }
 }
 
@@ -70,7 +70,7 @@ enum OmdbCommands {
     /// Debug a specific Nexus instance
     Nexus(nexus::NexusArgs),
     /// Debug a specific Sled
-    Sled(sled::SledArgs),
+    SledAgent(sled_agent::SledAgentArgs),
 }
 
 fn parse_dropshot_log_level(
diff --git a/omdb/src/bin/omdb/sled.rs b/omdb/src/bin/omdb/sled_agent.rs
similarity index 76%
rename from omdb/src/bin/omdb/sled.rs
rename to omdb/src/bin/omdb/sled_agent.rs
index 394ba481de..09f34936ca 100644
--- a/omdb/src/bin/omdb/sled.rs
+++ b/omdb/src/bin/omdb/sled_agent.rs
@@ -11,18 +11,18 @@ use clap::Subcommand;
 
 /// Arguments to the "omdb sled" subcommand
 #[derive(Debug, Args)]
-pub struct SledArgs {
+pub struct SledAgentArgs {
     /// URL of the Sled internal API
-    #[clap(long, env("OMDB_SLED_URL"))]
-    sled_url: Option<String>,
+    #[clap(long, env("OMDB_SLED_AGENT_URL"))]
+    sled_agent_url: Option<String>,
 
     #[command(subcommand)]
-    command: SledCommands,
+    command: SledAgentCommands,
 }
 
 /// Subcommands for the "omdb sled" subcommand
 #[derive(Debug, Subcommand)]
-enum SledCommands {
+enum SledAgentCommands {
     /// print information about zones
     #[clap(subcommand)]
     Zones(ZoneCommands),
@@ -34,17 +34,17 @@ enum SledCommands {
 
 #[derive(Debug, Subcommand)]
 enum ZoneCommands {
-    /// Print list of all zones
+    /// Print list of all running control plane zones
     List,
 }
 
 #[derive(Debug, Subcommand)]
 enum ZpoolCommands {
-    /// Print list of all zpools
+    /// Print list of all zpools managed by the sled agent
     List,
 }
 
-impl SledArgs {
+impl SledAgentArgs {
     /// Run a `omdb sled` subcommand.
     pub async fn run_cmd(
         &self,
@@ -52,19 +52,20 @@ impl SledArgs {
     ) -> Result<(), anyhow::Error> {
         // This is a little goofy. The sled URL is required, but can come
         // from the environment, in which case it won't be on the command line.
-        let Some(sled_url) = &self.sled_url else {
+        let Some(sled_agent_url) = &self.sled_agent_url else {
             bail!(
-                "sled URL must be specified with --sled-url or \
-                OMDB_SLED_URL"
+                "sled URL must be specified with --sled-agent-url or \
+                OMDB_SLED_AGENT_URL"
             );
         };
-        let client = sled_agent_client::Client::new(sled_url, log.clone());
+        let client =
+            sled_agent_client::Client::new(sled_agent_url, log.clone());
 
         match &self.command {
-            SledCommands::Zones(ZoneCommands::List) => {
+            SledAgentCommands::Zones(ZoneCommands::List) => {
                 cmd_zones_list(&client).await
             }
-            SledCommands::Zpools(ZpoolCommands::List) => {
+            SledAgentCommands::Zpools(ZpoolCommands::List) => {
                 cmd_zpools_list(&client).await
             }
         }
diff --git a/omdb/tests/usage_errors.out b/omdb/tests/usage_errors.out
index 860c0efe21..b381ab46c1 100644
--- a/omdb/tests/usage_errors.out
+++ b/omdb/tests/usage_errors.out
@@ -9,9 +9,10 @@ Omicron debugger (unstable)
 Usage: omdb [OPTIONS] <COMMAND>
 
 Commands:
-  db     Query the control plane database (CockroachDB)
-  nexus  Debug a specific Nexus instance
-  help   Print this message or the help of the given subcommand(s)
+  db          Query the control plane database (CockroachDB)
+  nexus       Debug a specific Nexus instance
+  sled-agent  Debug a specific Sled
+  help        Print this message or the help of the given subcommand(s)
 
 Options:
       --log-level <LOG_LEVEL>  log level filter [env: LOG_LEVEL=] [default: warn]
@@ -29,9 +30,10 @@ using internal APIs.  This is a prototype.  The commands and output are unstable
 Usage: omdb [OPTIONS] <COMMAND>
 
 Commands:
-  db     Query the control plane database (CockroachDB)
-  nexus  Debug a specific Nexus instance
-  help   Print this message or the help of the given subcommand(s)
+  db          Query the control plane database (CockroachDB)
+  nexus       Debug a specific Nexus instance
+  sled-agent  Debug a specific Sled
+  help        Print this message or the help of the given subcommand(s)
 
 Options:
       --log-level <LOG_LEVEL>