diff --git a/src/lib_gui/qt/window/QtLicenseWindow.cpp b/src/lib_gui/qt/window/QtLicenseWindow.cpp
index 7d0e6ceb..fbfa2c50 100644
--- a/src/lib_gui/qt/window/QtLicenseWindow.cpp
+++ b/src/lib_gui/qt/window/QtLicenseWindow.cpp
@@ -138,7 +138,7 @@ void QtLicenseWindow::windowReady()
 
 	addLogo();
 
-	updateTitle("Select Licence Option");
+	updateTitle("Select License Option");
 
 	updateNextButton("Activate");
 	setNextEnabled(false);
@@ -161,7 +161,7 @@ void QtLicenseWindow::handleNext()
 		switch (state)
 		{
 			case LicenseChecker::LICENSE_EMPTY:
-				errorString = "No licence key was entered.";
+				errorString = "No license key was entered.";
 				break;
 			case LicenseChecker::LICENSE_MOVED:
 			case LicenseChecker::LICENSE_MALFORMED:
diff --git a/src/lib_gui/qt/window/QtMainWindow.cpp b/src/lib_gui/qt/window/QtMainWindow.cpp
index 66fca4c5..7cacfad5 100644
--- a/src/lib_gui/qt/window/QtMainWindow.cpp
+++ b/src/lib_gui/qt/window/QtMainWindow.cpp
@@ -940,7 +940,7 @@ void QtMainWindow::setupHelpMenu()
 
 	menu->addAction(tr("Select License..."), this, &QtMainWindow::enterLicense);
 	menu->addAction(tr("End User License Agreement"), this, &QtMainWindow::showEula);
-	menu->addAction(tr("3rd Party Licences"), this, &QtMainWindow::showLicenses);
+	menu->addAction(tr("3rd Party Licenses"), this, &QtMainWindow::showLicenses);
 	menu->addAction(tr("&About Sourcetrail"), this, &QtMainWindow::about);
 
 	menu->addSeparator();
diff --git a/src/lib_license/License.cpp b/src/lib_license/License.cpp
index 4db86828..eacbfb42 100644
--- a/src/lib_license/License.cpp
+++ b/src/lib_license/License.cpp
@@ -531,7 +531,7 @@ std::string License::getLicenseEncodedString(const std::string& applicationLocat
 
 	if(fileContents.size() <= 0)
 	{
-		std::cout << "Failed to read licence string" << std::endl;
+		std::cout << "Failed to read license string" << std::endl;
 		return "";
 	}
 
@@ -557,7 +557,7 @@ bool License::loadFromEncodedString(const std::string& encodedLicense, const std
 {
 	if (encodedLicense.size() <= 0)
 	{
-		std::cout << "No licence string given" << std::endl;
+		std::cout << "No license string given" << std::endl;
 		return false;
 	}
 
diff --git a/src/license_generator/Generator.cpp b/src/license_generator/Generator.cpp
index 04a6fe2e..612c7eb0 100644
--- a/src/license_generator/Generator.cpp
+++ b/src/license_generator/Generator.cpp
@@ -84,7 +84,7 @@ std::string Generator::encodeLicense(
 
 	if (licenseType.size() <= 0)
 	{
-		std::cout << "No licence type given" << std::endl;
+		std::cout << "No license type given" << std::endl;
         return "";
 	}