diff --git a/gui/KCC.ui b/gui/KCC.ui
index d7af4f6..3abefaf 100644
--- a/gui/KCC.ui
+++ b/gui/KCC.ui
@@ -600,7 +600,7 @@
           <string>Reduce rainbow effect on color eink by slightly blurring images</string>
          </property>
          <property name="text">
-          <string>Reduce Rainbow</string>
+          <string>Rainbow blur</string>
          </property>
         </widget>
        </item>
diff --git a/kindlecomicconverter/KCC_ui.py b/kindlecomicconverter/KCC_ui.py
index c9a2976..7811ffd 100644
--- a/kindlecomicconverter/KCC_ui.py
+++ b/kindlecomicconverter/KCC_ui.py
@@ -548,7 +548,7 @@ class Ui_mainWindow(object):
 #if QT_CONFIG(tooltip)
         self.reduceRainbowBox.setToolTip(QCoreApplication.translate("mainWindow", u"Reduce rainbow effect on color eink by slightly blurring images", None))
 #endif // QT_CONFIG(tooltip)
-        self.reduceRainbowBox.setText(QCoreApplication.translate("mainWindow", u"Reduce Rainbow", None))
+        self.reduceRainbowBox.setText(QCoreApplication.translate("mainWindow", u"Rainbow blur", None))
 #if QT_CONFIG(tooltip)
         self.chunkSizeCheckBox.setToolTip(QCoreApplication.translate("mainWindow", u"<html><head/><body><p><span style=\" font-weight:700; text-decoration: underline;\">Unchecked<br/></span>Maximal output file size is 100 MB for Webtoon, 400 MB for others before split occurs.</p><p><span style=\" font-weight:700; text-decoration: underline;\">Checked</span><br/>Output file size specified in &quot;Chunk size MB&quot; before split occurs.</p></body></html>", None))
 #endif // QT_CONFIG(tooltip)
