diff --git a/src/calibre/gui2/convert/txt_output.ui b/src/calibre/gui2/convert/txt_output.ui
index 11a38690b1..9eae5a8115 100644
--- a/src/calibre/gui2/convert/txt_output.ui
+++ b/src/calibre/gui2/convert/txt_output.ui
@@ -63,7 +63,7 @@
    <item row="2" column="0" colspan="2">
     <widget class="QCheckBox" name="opt_force_max_line_length">
      <property name="text">
-      <string>Force maximum line lenght</string>
+      <string>Force maximum line length</string>
      </property>
     </widget>
    </item>