diff --git a/NEWS b/NEWS
index 8265d930..d10a1e4d 100644
--- a/NEWS
+++ b/NEWS
@@ -20,6 +20,9 @@
      has been introduced.  `sq network dane generate --type generic`
      replaces the old `--generic` flag.
    - `sq key adopt` is now called `sq key subkey bind`.
+   - The option to verify a detached signature has been renamed from
+     `--detached` to `--signature-file`: `sq verify --signature-file
+     foo.sig foo.txt`.
 * Changes in 0.38.0
 ** Notable changes
    - New subcommand `sq key subkey delete` to delete secret key
diff --git a/sq-subplot.md b/sq-subplot.md
index 6d251518..f43ada79 100644
--- a/sq-subplot.md
+++ b/sq-subplot.md
@@ -1329,7 +1329,7 @@ when I run sq --no-cert-store --no-key-store toolbox extract-cert key.pgp --outp
 when I run sq --no-cert-store --no-key-store sign --detached --signer-file key.pgp hello.txt --output sig.txt
 then file sig.txt contains "-----BEGIN PGP SIGNATURE-----"
 then file sig.txt contains "-----END PGP SIGNATURE-----"
-when I run sq --no-cert-store --no-key-store verify --detached=sig.txt --signer-file=cert.pgp hello.txt
+when I run sq --no-cert-store --no-key-store verify --signature-file=sig.txt --signer-file=cert.pgp hello.txt
 then stdout doesn't contain "hello, world"
 then exit code is 0
 ~~~
@@ -1349,7 +1349,7 @@ when I run sq --no-cert-store --no-key-store toolbox extract-cert key.pgp --outp
 
 when I run sq --no-cert-store --no-key-store sign --detached --signer-file key.pgp hello.txt --output sig.txt
 when I run sh sed-in-place s/hello/HELLO/ hello.txt
-when I try to run sq verify --detached=sig.txt --signer-file=cert.pgp hello.txt
+when I try to run sq verify --signature-file=sig.txt --signer-file=cert.pgp hello.txt
 then exit code is 1
 ~~~
 
diff --git a/src/cli/verify.rs b/src/cli/verify.rs
index a9a82166..45d0327c 100644
--- a/src/cli/verify.rs
+++ b/src/cli/verify.rs
@@ -40,7 +40,7 @@ Verify a signed message.",
             comment: "\
 Verify a detached message.",
             command: &[
-                "sq", "verify", "--detached", "document.sig", "document.txt",
+                "sq", "verify", "--signature-file", "document.sig", "document.txt",
             ],
         }),
         Action::Example(Example {
@@ -109,7 +109,7 @@ pub struct Command {
     )]
     pub output: FileOrStdout,
     #[clap(
-        long = "detached",
+        long = "signature-file",
         value_name = "SIG",
         help = "Verify a detached signature"
     )]
diff --git a/tests/integration/sq_sign.rs b/tests/integration/sq_sign.rs
index 2c37df96..b81b5a16 100644
--- a/tests/integration/sq_sign.rs
+++ b/tests/integration/sq_sign.rs
@@ -426,7 +426,7 @@ fn sq_sign_detached() {
     sq.command()
         .arg("verify")
         .args(["--signer-file", &artifact("keys/dennis-simon-anton.pgp")])
-        .args(["--detached", &sig.to_string_lossy()])
+        .args(["--signature-file", &sig.to_string_lossy()])
         .arg(&artifact("messages/a-cypherpunks-manifesto.txt"))
         .assert()
         .success();
@@ -465,7 +465,7 @@ fn sq_sign_detached_append() {
     sq.command()
         .arg("verify")
         .args(["--signer-file", &artifact("keys/dennis-simon-anton.pgp")])
-        .args(["--detached", &sig.to_string_lossy()])
+        .args(["--signature-file", &sig.to_string_lossy()])
         .arg(&artifact("messages/a-cypherpunks-manifesto.txt"))
         .assert()
         .success();
@@ -513,7 +513,7 @@ fn sq_sign_detached_append() {
     sq.command()
         .arg("verify")
         .args(["--signer-file", &artifact("keys/dennis-simon-anton.pgp")])
-        .args(["--detached", &sig.to_string_lossy()])
+        .args(["--signature-file", &sig.to_string_lossy()])
         .arg(&artifact("messages/a-cypherpunks-manifesto.txt"))
         .assert()
         .success();
@@ -521,7 +521,7 @@ fn sq_sign_detached_append() {
     sq.command()
         .arg("verify")
         .args(["--signer-file", &artifact("keys/erika-corinna-daniela-simone-antonia-nistp256.pgp")])
-        .args(["--detached", &sig.to_string_lossy()])
+        .args(["--signature-file", &sig.to_string_lossy()])
         .arg(&artifact("messages/a-cypherpunks-manifesto.txt"))
         .assert()
         .success();