Simplify split tall images preference wording

app/src/main/res/values/strings.xml

@@ -417,8 +417,8 @@
     <string name="pref_download_new">Download new chapters</string>
     <string name="pref_download_new_categories_details">Manga in excluded categories will not be downloaded even if they are also in included categories.</string>
     <string name="save_chapter_as_cbz">Save as CBZ archive</string>
-    <string name="split_tall_images">Auto split tall images</string>
-    <string name="split_tall_images_summary">Improves reader performance by splitting tall downloaded images.</string>
+    <string name="split_tall_images">Split tall images</string>
+    <string name="split_tall_images_summary">Improves reader performance</string>
 
       <!-- Tracking section -->
     <string name="tracking_guide">Tracking guide</string>