diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 579049814af..fd993eddb41 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -2768,7 +2768,7 @@ Qt::PermissionStatus QCoreApplication::checkPermission(const QPermission &permis
 
 /*!
     \fn template<typename Functor> void QCoreApplication::requestPermission(
-        const QPermission &permission, Functor functor)
+        const QPermission &permission, Functor &&functor)
 
     Requests the given \a permission.
 
diff --git a/src/corelib/serialization/qxmlstream.cpp b/src/corelib/serialization/qxmlstream.cpp
index 6db7d688da2..eb54fac1bf0 100644
--- a/src/corelib/serialization/qxmlstream.cpp
+++ b/src/corelib/serialization/qxmlstream.cpp
@@ -3829,8 +3829,7 @@ void QXmlStreamWriter::writeCurrentToken(const QXmlStreamReader &reader)
 }
 
 /*!
- \fn bool QXmlStreamAttributes::hasAttribute(const QString &qualifiedName) const
- \since 4.5
+ \fn bool QXmlStreamAttributes::hasAttribute(QAnyStringView qualifiedName) const
 
  Returns \c true if this QXmlStreamAttributes has an attribute whose
  qualified name is \a qualifiedName; otherwise returns \c false.
@@ -3844,16 +3843,9 @@ void QXmlStreamWriter::writeCurrentToken(const QXmlStreamReader &reader)
 */
 
 /*!
- \fn bool QXmlStreamAttributes::hasAttribute(QLatin1StringView qualifiedName) const
+ \fn bool QXmlStreamAttributes::hasAttribute(QAnyStringView namespaceUri,
+                                             QAnyStringView name) const
  \overload
- \since 4.5
-*/
-
-/*!
- \fn bool QXmlStreamAttributes::hasAttribute(const QString &namespaceUri,
-                                             const QString &name) const
- \overload
- \since 4.5
 
  Returns \c true if this QXmlStreamAttributes has an attribute whose
  namespace URI and name correspond to \a namespaceUri and \a name;
diff --git a/src/corelib/text/qtliterals.qdoc b/src/corelib/text/qtliterals.qdoc
index b21de4f3585..99c478d6823 100644
--- a/src/corelib/text/qtliterals.qdoc
+++ b/src/corelib/text/qtliterals.qdoc
@@ -11,7 +11,7 @@
 /*!
     \namespace Qt::Literals
     \inmodule QtCore
-    \headerfile QtLiterals
+    \inheaderfile QtLiterals
 
     \brief The Literals inline namespace declares literal operators for Qt types.
 */
@@ -19,7 +19,7 @@
 /*!
     \namespace Qt::Literals::StringLiterals
     \inmodule QtCore
-    \headerfile QStringLiterals
+    \inheaderfile QStringLiterals
 
     \brief The StringLiterals namespace declares string literal operators
     for Qt types.
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index 2283766b97b..1daac37f7be 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -262,7 +262,7 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver, const char *me
 */
 
 /*!
-    \fn template<typename Functor> int QHostInfo::lookupHost(const QString &name, Functor functor)
+    \fn template<typename Functor> int QHostInfo::lookupHost(const QString &name, Functor &&functor)
 
     \since 5.9
 
diff --git a/src/widgets/widgets/qcheckbox.cpp b/src/widgets/widgets/qcheckbox.cpp
index 151c8b1e946..3679bc6aa07 100644
--- a/src/widgets/widgets/qcheckbox.cpp
+++ b/src/widgets/widgets/qcheckbox.cpp
@@ -91,6 +91,7 @@ public:
 
 /*!
     \fn void QCheckBox::stateChanged(int state)
+    //! Qt 7: \fn void QCheckBox::stateChanged(Qt::CheckState state)
 
     This signal is emitted whenever the checkbox's state changes, i.e.,
     whenever the user checks or unchecks it.