[simple-scan] Fix translator comment

[Robert Ancell <rancell src gnome org>]

commit 05a975dfd3114ff6f7a78653848c76f2292a42e6
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Jan 6 10:25:00 2020 +1300

    Fix translator comment

 src/preferences-dialog.ui | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/preferences-dialog.ui b/src/preferences-dialog.ui
index b4a256c..a578d71 100644
--- a/src/preferences-dialog.ui
+++ b/src/preferences-dialog.ui
@@ -300,7 +300,7 @@
                     <child>
                       <object class="GtkLabel" id="text_dpi_label">
                         <property name="visible">True</property>
-                        <property name="label" translatable="yes" comments="Label beside scan source combo 
box">Text Resolution</property>
+                        <property name="label" translatable="yes" comments="Label beside scan resolution 
combo box">Text Resolution</property>
                         <property name="use_underline">True</property>
                         <property name="xalign">1</property>
                         <style>
@@ -315,7 +315,7 @@
                     <child>
                       <object class="GtkLabel" id="photo_dpi_label">
                         <property name="visible">True</property>
-                        <property name="label" translatable="yes" comments="Label beside scan source combo 
box">Photo Resolution</property>
+                        <property name="label" translatable="yes" comments="Label beside scan resolution 
combo box">Photo Resolution</property>
                         <property name="use_underline">True</property>
                         <property name="xalign">1</property>
                         <style>