diff --git a/README.md b/README.md
index dfca6996a0572edc8a4a4991fbe222e6d9cc6b6f..e288de0e0c46643cef1e1f221afc461a9e57980a 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ For a more detailed guide, please refer to our
 
     ```shell
     # Nordic nRF52840-DK board
-    ./deploy.py os --board=nrf52840dk
+    ./deploy.py os --board=nrf52840_dk
     # Nordic nRF52840-Dongle
     ./deploy.py os --board=nrf52840_dongle
     ```
diff --git a/docs/install.md b/docs/install.md
index e3c5dd2ac561bf5c169f9668dda98f6897443081..ae3551f698d1092676ddacf837f5f00a2730f1cd 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -145,7 +145,7 @@ Our build script `build.rs` is responsible for converting `opensk_cert.pem` and
     differ_):
 
     ```shell
-    $ ./deploy.py os --board=nrf52840_dongle
+    $ ./deploy.py os --board=nrf52840_dk
         info: Updating rust toolchain to nightly-2020-02-03
         info: syncing channel updates for 'nightly-2020-02-03-x86_64-unknown-linux-gnu'
         info: checking for self-updates