diff --git a/src/autocomplete/CommandProvider.js b/src/autocomplete/CommandProvider.js
index 3b09c9dd2d..6f2f68b121 100644
--- a/src/autocomplete/CommandProvider.js
+++ b/src/autocomplete/CommandProvider.js
@@ -41,7 +41,7 @@ const COMMANDS = [
     },
     {
         command: '/op',
-        args: '<userId> [<power-level>]',
+        args: '<user-id> [<power-level>]',
         description: 'Define the power level of a user',
     },
     {
@@ -87,11 +87,11 @@ const COMMANDS = [
     {
         command: '/tint',
         args: '<color1> [<color2>]',
-        description: 'Changes colourscheme of current room',
+        description: 'Changes colour scheme of current room',
     },
     {
         command: '/verify',
-        args: '<userId> <deviceId> <deviceSigningKey>',
+        args: '<user-id> <device-id> <device-signing-key>',
         description: 'Verifies a user, device, and pubkey tuple',
     },
     // Omitting `/markdown` as it only seems to apply to OldComposer
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 2d4eba3c2c..bec280c00d 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -196,7 +196,7 @@
     "%(senderDisplayName)s changed the topic to \"%(topic)s\".": "%(senderDisplayName)s changed the topic to \"%(topic)s\".",
     "Changes to who can read history will only apply to future messages in this room": "Changes to who can read history will only apply to future messages in this room",
     "Changes your display nickname": "Changes your display nickname",
-    "Changes colourscheme of current room": "Changes colourscheme of current room",
+    "Changes colour scheme of current room": "Changes colour scheme of current room",
     "changing room on a RoomView is not supported": "changing room on a RoomView is not supported",
     "Changing password will currently reset any end-to-end encryption keys on all devices, making encrypted chat history unreadable, unless you first export your room keys and re-import them afterwards. In future this will be improved.": "Changing password will currently reset any end-to-end encryption keys on all devices, making encrypted chat history unreadable, unless you first export your room keys and re-import them afterwards. In future this will be improved.",
     "Claimed Ed25519 fingerprint key": "Claimed Ed25519 fingerprint key",