diff --git a/src/libs/utils/devicefileaccess.cpp b/src/libs/utils/devicefileaccess.cpp
index 3da5484b709..71f694c6649 100644
--- a/src/libs/utils/devicefileaccess.cpp
+++ b/src/libs/utils/devicefileaccess.cpp
@@ -721,7 +721,7 @@ expected_str<qint64> DesktopDeviceFileAccess::writeFileContents(const FilePath &
     qint64 res = file.write(data);
     if (res != data.size())
         return make_unexpected(
-            Tr::tr("Could not write to file \"%1\" (only %2 of %3 bytes written).")
+            Tr::tr("Could not write to file \"%1\" (only %2 of %n byte(s) written).")
                 .arg(filePath.toUserOutput())
                 .arg(res)
                 .arg(data.size()));
diff --git a/src/plugins/autotest/boost/boosttestoutputreader.cpp b/src/plugins/autotest/boost/boosttestoutputreader.cpp
index 1dab105e243..439fe480814 100644
--- a/src/plugins/autotest/boost/boosttestoutputreader.cpp
+++ b/src/plugins/autotest/boost/boosttestoutputreader.cpp
@@ -327,7 +327,7 @@ void BoostTestOutputReader::processOutputLine(const QByteArray &outputLine)
         BoostTestResult result(id(), {}, m_projectFile);
         const int failed = match.captured(1).toInt();
         const int fatals = m_summary.value(ResultType::MessageFatal);
-        QString txt = Tr::tr("%1 failures detected in %2.").arg(failed).arg(match.captured(3));
+        QString txt = Tr::tr("%n failure(s) detected in %2.").arg(failed).arg(match.captured(3));
         const int passed = qMax(0, m_testCaseCount - failed);
         if (m_testCaseCount != -1)
             txt.append(' ').append(Tr::tr("%1 tests passed.").arg(passed));
diff --git a/src/plugins/cppeditor/cppmodelmanager.cpp b/src/plugins/cppeditor/cppmodelmanager.cpp
index 6f986bb7dd1..2deaea4290c 100644
--- a/src/plugins/cppeditor/cppmodelmanager.cpp
+++ b/src/plugins/cppeditor/cppmodelmanager.cpp
@@ -567,8 +567,10 @@ static void checkNextFunctionForUnused(
         if (!search || findRefsFuture->isCanceled())
             return;
         const int newProgress = findRefsFuture->progressValue() + 1;
-        findRefsFuture->setProgressValueAndText(newProgress, Tr::tr("Checked %1 of %2 functions")
-                .arg(newProgress).arg(findRefsFuture->progressMaximum()));
+        findRefsFuture->setProgressValueAndText(newProgress,
+                                                Tr::tr("Checked %1 of %n function(s)")
+                                                    .arg(newProgress)
+                                                    .arg(findRefsFuture->progressMaximum()));
         QVariantMap data = search->userData().toMap();
         QVariant &activeLinks = data["active"];
         QVariantList activeLinksList = activeLinks.toList();