chore: fix typos in code comments

src/app/main.cpp

@@ -189,7 +189,7 @@ int main(int argc, char *argv[])
     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #endif
 
-// Use Fusion style on Windows 10 & 11. This enables proper darl mode support.
+// Use Fusion style on Windows 10 & 11. This enables proper dark mode support.
 // See https://www.qt.io/blog/dark-mode-on-windows-11-with-qt-6.5.
 // TODO: Make style configurable, detect -style argument.
 #if defined(Q_OS_WIN) && (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))

src/libs/core/application.cpp

@@ -213,7 +213,7 @@ QNetworkReply *Application::download(const QUrl &url)
 /*!
   \internal
 
-  Performs a check whether a new Zeal version is available. Setting \a quiet to true supresses
+  Performs a check whether a new Zeal version is available. Setting \a quiet to true suppresses
   error and "you are using the latest version" message boxes.
 */
 void Application::checkForUpdates(bool quiet)

src/libs/core/settings.h

@@ -102,8 +102,8 @@ class Settings final : public QObject
 
     // Internal
     // --------
-    // InstallId is a UUID used to indentify a Zeal installation. Created on first start or after
-    // a settings wipe. It is not attached to user hardware or software, and is sent exclusevely
+    // InstallId is a UUID used to identify a Zeal installation. Created on first start or after
+    // a settings wipe. It is not attached to user hardware or software, and is sent exclusively
     // to *.zealdocs.org hosts.
     QString installId;
 

src/libs/ui/searchsidebar.cpp

@@ -157,7 +157,7 @@ SearchSidebar::SearchSidebar(const SearchSidebar *other, QWidget *parent)
 
         m_treeView->selectionModel()->blockSignals(false);
 
-        // Cannot update position until layout geomentry is calculated, so set it in showEvent().
+        // Cannot update position until layout geometry is calculated, so set it in showEvent().
         m_pendingVerticalPosition = other->m_treeView->verticalScrollBar()->value();
     } else {
         m_searchModel = new Registry::SearchModel(this);

src/libs/ui/widgets/searchedit.cpp

@@ -48,7 +48,7 @@ SearchEdit::SearchEdit(QWidget *parent)
     connect(this, &SearchEdit::textChanged, this, &SearchEdit::showCompletions);
 }
 
-// Makes the line edit use autocompletions.
+// Makes the line edit use autocompletion.
 void SearchEdit::setCompletions(const QStringList &completions)
 {
     delete m_prefixCompleter;