diff --git a/src/testlib/doc/src/qttest-best-practices.qdoc b/src/testlib/doc/src/qttest-best-practices.qdoc
index 4220312149f..54a51f4ace0 100644
--- a/src/testlib/doc/src/qttest-best-practices.qdoc
+++ b/src/testlib/doc/src/qttest-best-practices.qdoc
@@ -383,12 +383,12 @@
     only tell you whether \e{the test} was built in debug mode, and that does
     not guarantee that the \e{Qt libraries} were also built in debug mode.
 
-    Your tests can (since Qt 6.3) verify that they do not trigger calls to \l
-    qWarning() by calling \l QTest::failOnWarnings(). This takes the warning
+    Your tests can (since Qt 6.3) verify that they do not trigger calls to
+    \l qWarning() by calling \l QTest::failOnWarning(). This takes the warning
     message to test for or a \l QRegularExpression to match against warnings; if
     a matching warning is produced, it will be reported and cause the test to
     fail. For example, a test that should produce no warnings at all can
-    \c{QTest::failOnWarnings(QRegularExpression(u".*"_s))}, which will match any
+    \c{QTest::failOnWarning(QRegularExpression(u".*"_s))}, which will match any
     warning at all.
 
     You can also set the environment variable \c QT_FATAL_WARNINGS to cause
diff --git a/src/testlib/qtestlog.cpp b/src/testlib/qtestlog.cpp
index dca4bc1c109..e01da379115 100644
--- a/src/testlib/qtestlog.cpp
+++ b/src/testlib/qtestlog.cpp
@@ -179,7 +179,7 @@ namespace QTest {
 
     static bool handleFailOnWarning(const QMessageLogContext &context, const QString &message)
     {
-        // failOnWarnings can be called multiple times per test function, so let
+        // failOnWarning can be called multiple times per test function, so let
         // each call cause a failure if required.
         for (const auto &pattern : failOnWarningList) {
             if (pattern.metaType() == QMetaType::fromType<QString>()) {
diff --git a/tests/auto/testlib/selftests/warnings/tst_warnings.cpp b/tests/auto/testlib/selftests/warnings/tst_warnings.cpp
index 587d81c325a..c113fdaf254 100644
--- a/tests/auto/testlib/selftests/warnings/tst_warnings.cpp
+++ b/tests/auto/testlib/selftests/warnings/tst_warnings.cpp
@@ -115,7 +115,7 @@ void tst_Warnings::testMissingWarningsWithData()
 
 void tst_Warnings::testFailOnWarnings()
 {
-    // failOnWarnings() wasn't called yet; shouldn't fail;
+    // failOnWarning() wasn't called yet; shouldn't fail;
     qWarning("Ran out of space!");
 
 #if QT_CONFIG(regularexpression)