Consistently use "Attention" in English texts

See WoltLab/WCF#3801

diff --git a/docs/migration/wsc31/php.md b/docs/migration/wsc31/php.md
index d356d93644c09b2148382b64d6430ee238dfae10..dcf39b5b4f11f06c30822b77825d84592edc7519 100644 (file)
--- a/docs/migration/wsc31/php.md
+++ b/docs/migration/wsc31/php.md
@@ -64,7 +64,8 @@ Specifies whether or not this content provider can be actively selected in the C
 
 <span class="label label-info">Optional</span>
 
-The specified list of comma-separated object types are automatically removed during content removal when this object type is being removed. Heads up: The order of removal is undefined by default, specify a `nicevalue` if the order is important.
+The specified list of comma-separated object types are automatically removed during content removal when this object type is being removed.
+**Attention**: The order of removal is undefined by default, specify a `nicevalue` if the order is important.