PSMEL-738 - Typo Fix

Postman/Postman-Send-Test-Email/PostmanSendTestEmailController.php

@@ -222,7 +222,7 @@ public function outputTestEmailContent() {
 			'<p>%s <b>%s</b> %s</p>', 
 			esc_html__( 'This is the conversation between Postman and the mail server. It can be useful for diagnosing problems.', 'post-smtp' ) ,
 			esc_html__( 'DO NOT', 'post-smtp' ),
-			esc_html__( 'post it on-line, it may contain your account password.', 'post-smtp' )
+			esc_html__( 'post it online, it may contain your account password.', 'post-smtp' )
 		);
 		print '<section>';
 		printf( '<p><label for="postman_test_message_transcript">%s</label></p>', esc_html__( 'Session Transcript', 'post-smtp' ) );