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-rw-r--r--doc/classes/OS.xml1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index 938777a36b..afa0222c6e 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -820,6 +820,7 @@
</argument>
<description>
Sets the window title to the specified string.
+ [b]Note:[/b] This should be used sporadically. Don't set this every frame, as that will negatively affect performance on some window managers.
</description>
</method>
<method name="shell_open">