Buddypress: Change Site-Wide Activity to Activity

Add it in functions.php in your theme:

add_filter( 'bp_get_directory_title', 'change_activity_title' );

function change_activity_title($data) {
 if( $data == 'Site-Wide Activity' ) {
  $data = 'Activity';
 }

 return $data;
}

Buddypress: 404 Errror Quick Fix

Re-saving the permalinks structure. Settings < Permalinks.

Buddypress: Edit Buddypress Wall Activity Text

• public_html/wp-content/plugins/buddypress-wall/includes/bp-wall-loader.php
  Open and search for "Timeline"
• Replace both instances with desired text
• Search for "News Feed" replace with desired text

Buddypress: Customize Registration Text on Login Screen

• Public_html < wp-login.php
• Search for "Register" and changed to desired text.
• Search result 22 of 23