diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index f2cabda8..46a9638f 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -25,7 +25,7 @@ find_package(Doxygen)
 set_package_properties(Doxygen PROPERTIES
   TYPE OPTIONAL
   DESCRIPTION "API Documentation system"
-  URL "http://www.doxygen.org"
+  URL "https://www.doxygen.org"
   PURPOSE "Needed to build the API documentation."
 )
 if(DOXYGEN_DOT_EXECUTABLE)
diff --git a/src/private/multisplitter/Item.cpp b/src/private/multisplitter/Item.cpp
index 4f49f01f..51384f42 100644
--- a/src/private/multisplitter/Item.cpp
+++ b/src/private/multisplitter/Item.cpp
@@ -164,7 +164,7 @@ QObject *Item::guestAsQObject() const
 }
 
 void Item::setGuestWidget(Widget *guest)
-{   
+{
     Q_ASSERT(!guest || !m_guest);
     QObject *newWidget = guest ? guest->asQObject() : nullptr;
     QObject *oldWidget = guestAsQObject();
@@ -3202,8 +3202,8 @@ void ItemContainer::simplify()
             childContainer->simplify(); // recurse down the hierarchy
 
             if (childContainer->orientation() == d->m_orientation || childContainer->d->m_children.size() == 1) {
-                // This sub-container is reduntant, as it has the same orientation as its parent
-                // Canibalize it.
+                // This sub-container is redundant, as it has the same orientation as its parent
+                // Cannibalize it.
                 for (Item *child2 : childContainer->childItems()) {
                     child2->setParentContainer(this);
                     newChildren.push_back(child2);
diff --git a/tests/tst_docks.cpp b/tests/tst_docks.cpp
index 80daece5..c52f925d 100644
--- a/tests/tst_docks.cpp
+++ b/tests/tst_docks.cpp
@@ -5289,7 +5289,7 @@ void TestDocks::tst_floatingAction()
     }
 
     {
-        // If the dock widget is alone then it's floating, but we we suddenly dock a widget side-by-side
+        // If the dock widget is alone then it's floating, but we suddenly dock a widget side-by-side
         // to it, then both aren't floating anymore. This test tests if the signal was emitted
 
         auto dock1 = createDockWidget("one", new QPushButton("one"));