diff --git a/administrator/language/en-GB/plg_multifactorauth_yubikey.ini b/administrator/language/en-GB/plg_multifactorauth_yubikey.ini
index cec3a600eef67..e681af501e33a 100644
--- a/administrator/language/en-GB/plg_multifactorauth_yubikey.ini
+++ b/administrator/language/en-GB/plg_multifactorauth_yubikey.ini
@@ -6,10 +6,10 @@
 PLG_MULTIFACTORAUTH_YUBIKEY="Multi-factor Authentication - YubiKey"
 PLG_MULTIFACTORAUTH_YUBIKEY_CODE_LABEL="YubiKey code"
 PLG_MULTIFACTORAUTH_YUBIKEY_ERR_VALIDATIONFAILED="You did not enter a valid YubiKey secret code or the YubiCloud servers are unreachable at this time."
-PLG_MULTIFACTORAUTH_YUBIKEY_LBL_AFTERSETUP_INSTRUCTIONS="You have already set up your Yubikey (the one generating codes starting with <code>%s</code>). You can only change its title from this page."
+PLG_MULTIFACTORAUTH_YUBIKEY_LBL_AFTERSETUP_INSTRUCTIONS="You have already set up your YubiKey (the one generating codes starting with <code>%s</code>). You can only change its title from this page."
 PLG_MULTIFACTORAUTH_YUBIKEY_LBL_SETUP_INSTRUCTIONS="Please provide a code generated by your <a href='https://www.yubico.com/'>YubiKey</a> below and then click or touch the Confirm button. The first twelve characters, which are the unique identification code for your YubiKey, will be saved."
-PLG_MULTIFACTORAUTH_YUBIKEY_LBL_SETUP_LABEL="Yubikey Identification"
-PLG_MULTIFACTORAUTH_YUBIKEY_LBL_SETUP_PLACEHOLDER="Enter a Yubikey code"
+PLG_MULTIFACTORAUTH_YUBIKEY_LBL_SETUP_LABEL="YubiKey Identification"
+PLG_MULTIFACTORAUTH_YUBIKEY_LBL_SETUP_PLACEHOLDER="Enter a YubiKey code"
 PLG_MULTIFACTORAUTH_YUBIKEY_METHOD_TITLE="YubiKey"
 PLG_MULTIFACTORAUTH_YUBIKEY_SHORTINFO="Use YubiKey secure hardware tokens."
-PLG_MULTIFACTORAUTH_YUBIKEY_XML_DESCRIPTION="Allows users on your site to use Multi-factor Authentication using a YubiKey secure hardware token. Users need their own Yubikey available from https://www.yubico.com/. To use Multi-factor Authentication users have to edit their user profile and enable Multi-factor Authentication."
+PLG_MULTIFACTORAUTH_YUBIKEY_XML_DESCRIPTION="Allows users on your site to use Multi-factor Authentication using a YubiKey secure hardware token. Users need their own YubiKey available from https://www.yubico.com/. To use Multi-factor Authentication users have to edit their user profile and enable Multi-factor Authentication."
diff --git a/administrator/language/en-GB/plg_multifactorauth_yubikey.sys.ini b/administrator/language/en-GB/plg_multifactorauth_yubikey.sys.ini
index f3f8008fe310c..8e304528605a4 100644
--- a/administrator/language/en-GB/plg_multifactorauth_yubikey.sys.ini
+++ b/administrator/language/en-GB/plg_multifactorauth_yubikey.sys.ini
@@ -4,4 +4,4 @@
 ; Note : All ini files need to be saved as UTF-8
 
 PLG_MULTIFACTORAUTH_YUBIKEY="Multi-factor Authentication - YubiKey"
-PLG_MULTIFACTORAUTH_YUBIKEY_XML_DESCRIPTION="Allows users on your site to use Multi-factor Authentication using a YubiKey secure hardware token. Users need their own Yubikey available from https://www.yubico.com/. To use Multi-factor Authentication users have to edit their user profile and enable Multi-factor Authentication."
+PLG_MULTIFACTORAUTH_YUBIKEY_XML_DESCRIPTION="Allows users on your site to use Multi-factor Authentication using a YubiKey secure hardware token. Users need their own YubiKey available from https://www.yubico.com/. To use Multi-factor Authentication users have to edit their user profile and enable Multi-factor Authentication."