Minor Typo

- Uncapitalized "Show" in a sentence.

Signed-Off: Matthew "Labradoodle-360" Kerle <[email protected]>

Themes/default/languages/Themes.english.php

@@ -64,7 +64,7 @@ $txt['enable_random_news'] = 'Enable random news line in the forum header';
 $txt['show_group_key'] = 'Show group key on board index';
 $txt['additional_options_collapsable'] = 'Enable collapsible additional post options';
 $txt['message_index_preview'] = 'Show post previews on the message index';
-$txt['message_index_preview_first'] = 'When using post previews, Show the text of the first post';
+$txt['message_index_preview_first'] = 'When using post previews, show the text of the first post';
 $txt['message_index_preview_first_desc'] = 'Leave un-checked to show the text of the last post instead';
 $txt['allow_no_censored'] = 'Allow users to turn off word censoring';
 $txt['who_display_viewing'] = 'Show who is viewing the board index and posts';