diff --git a/python/core/auto_generated/auth/qgsauthmanager.sip.in b/python/core/auto_generated/auth/qgsauthmanager.sip.in
index ebc463c56ac..67f10efbfd4 100644
--- a/python/core/auto_generated/auth/qgsauthmanager.sip.in
+++ b/python/core/auto_generated/auth/qgsauthmanager.sip.in
@@ -646,12 +646,12 @@ Remove a certificate authority
 
     bool setDefaultCertTrustPolicy( QgsAuthCertUtils::CertTrustPolicy policy );
 %Docstring
-Sets the default certificate trust policy perferred by user
+Sets the default certificate trust policy preferred by user
 %End
 
     QgsAuthCertUtils::CertTrustPolicy defaultCertTrustPolicy();
 %Docstring
-Get the default certificate trust policy perferred by user
+Get the default certificate trust policy preferred by user
 %End
 
     const QMap<QgsAuthCertUtils::CertTrustPolicy, QStringList > certTrustCache();
diff --git a/scripts/spell_check/spelling.dat b/scripts/spell_check/spelling.dat
index 9d10acde219..34b615348d8 100644
--- a/scripts/spell_check/spelling.dat
+++ b/scripts/spell_check/spelling.dat
@@ -5056,6 +5056,7 @@ percepted:perceived
 percieve:perceive
 percieved:perceived
 perenially:perennially
+perferred:preferred
 perfom:perform
 perfomance:performance
 perfomed:performed
diff --git a/src/core/auth/qgsauthmanager.h b/src/core/auth/qgsauthmanager.h
index b040a3d3ea1..be3514cea0e 100644
--- a/src/core/auth/qgsauthmanager.h
+++ b/src/core/auth/qgsauthmanager.h
@@ -577,10 +577,10 @@ class CORE_EXPORT QgsAuthManager : public QObject
      */
     QgsAuthCertUtils::CertTrustPolicy certificateTrustPolicy( const QSslCertificate &cert );
 
-    //! Sets the default certificate trust policy perferred by user
+    //! Sets the default certificate trust policy preferred by user
     bool setDefaultCertTrustPolicy( QgsAuthCertUtils::CertTrustPolicy policy );
 
-    //! Get the default certificate trust policy perferred by user
+    //! Get the default certificate trust policy preferred by user
     QgsAuthCertUtils::CertTrustPolicy defaultCertTrustPolicy();
 
     /**