diff --git a/phpBB/language/en/acp/attachments.php b/phpBB/language/en/acp/attachments.php
index 9b84aa2233..6647060fba 100644
--- a/phpBB/language/en/acp/attachments.php
+++ b/phpBB/language/en/acp/attachments.php
@@ -147,7 +147,7 @@ $lang = array_merge($lang, array(
 	'UPLOADING_FILE_TO'				=> 'Uploading file “%1$s” to post number %2$d…',
 	'UPLOAD_DENIED_FORUM'			=> 'You do not have the permission to upload files to forum “%s”',
 	'UPLOAD_DIR'					=> 'Upload directory',
-	'UPLOAD_DIR_EXPLAIN'			=> 'Storage path for attachments.',
+	'UPLOAD_DIR_EXPLAIN'			=> 'Storage path for attachments. Please note that if you change this directory while already having uploaded attachments you need to manually copy the files to their new location.',
 	'UPLOAD_ICON'					=> 'Upload icon',
 	'UPLOAD_NOT_DIR'				=> 'The upload location you specified does not appear to be a directory.',
 ));
diff --git a/phpBB/language/en/acp/board.php b/phpBB/language/en/acp/board.php
index bbb2678498..86d25ee0af 100644
--- a/phpBB/language/en/acp/board.php
+++ b/phpBB/language/en/acp/board.php
@@ -208,7 +208,7 @@ $lang = array_merge($lang, array(
 	'USERNAME_LETTER_NUM_SPACERS'	=> 'Any letter, number, and spacer',
 	'USERNAME_CHARS'			=> 'Limit username chars',
 	'USERNAME_CHARS_ANY'		=> 'Any character',
-	'USERNAME_CHARS_EXPLAIN'	=> 'Restrict type of characters that may be used in usernames, spacers are; space, -, +, _, [ and ]',
+	'USERNAME_CHARS_EXPLAIN'	=> 'Restrict type of characters that may be used in usernames, spacers are: space, -, +, _, [ and ]',
 	'USERNAME_LENGTH'			=> 'Username length',
 	'USERNAME_LENGTH_EXPLAIN'	=> 'Minimum and maximum number of characters in usernames.',
 ));