Index: src/bp-activity/js/mentions.js
===================================================================
--- src/bp-activity/js/mentions.js	(revision 12520)
+++ src/bp-activity/js/mentions.js	(working copy)
@@ -109,7 +109,7 @@
 						caret = this.$inputor.caret( 'offset' );
 					}
 
-					// If the caret is past horizontal half, then flip it, yo
+					// If the caret is past horizontal half, then flip it, yo.
 					if ( caret.left > ( $body.width() / 2 ) ) {
 						$view.addClass( 'right' );
 						move = caret.left - offset.left - this.view.$el.width();
@@ -118,15 +118,15 @@
 						move = caret.left - offset.left + 1;
 					}
 
-					// If we're on a small screen, scroll to caret
+					// If we're on a small screen, scroll to caret.
 					if ( $body.width() <= 400 ) {
 						$( document ).scrollTop( caret.top - 6 );
 					}
 
 					// New position is under the caret (never above) and positioned to follow
-					// Dynamic sizing based on the input area (remove 'px' from end)
+					// Dynamic sizing based on the input area (remove 'px' from end).
 					line = parseInt( this.$inputor.css( 'line-height' ).substr( 0, this.$inputor.css( 'line-height' ).length - 2 ), 10 );
-					if ( !line || line < 5 ) { // sanity check, and catch no line-height
+					if ( !line || line < 5 ) { // sanity check, and catch no line-height.
 						line = 19;
 					}