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-rw-r--r--doc/classes/OS.xml4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/classes/OS.xml b/doc/classes/OS.xml
index ffcd0d4c98..f6602d5f4d 100644
--- a/doc/classes/OS.xml
+++ b/doc/classes/OS.xml
@@ -54,7 +54,7 @@
<argument index="0" name="msec" type="int">
</argument>
<description>
- Delay execution of the current thread by [code]msec[/code] milliseconds.
+ Delay execution of the current thread by [code]msec[/code] milliseconds. [code]usec[/code] must be greater than or equal to [code]0[/code]. Otherwise, [method delay_msec] will do nothing and will print an error message.
</description>
</method>
<method name="delay_usec" qualifiers="const">
@@ -63,7 +63,7 @@
<argument index="0" name="usec" type="int">
</argument>
<description>
- Delay execution of the current thread by [code]usec[/code] microseconds.
+ Delay execution of the current thread by [code]usec[/code] microseconds. [code]usec[/code] must be greater than or equal to [code]0[/code]. Otherwise, [method delay_usec] will do nothing and will print an error message.
</description>
</method>
<method name="dump_memory_to_file">