diff --git a/wadsrc/static/credits/sgrn.txt b/wadsrc/static/credits/sgrn.txt
new file mode 100644
index 000000000..b24ffc86d
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+++ b/wadsrc/static/credits/sgrn.txt
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+The grenade sprite was made by ZDoom forumer Amuscaria, who gave permission to use Demon Eclipse resources for other things:
+https://forum.zdoom.org/viewtopic.php?f=42&t=13397&p=642078#p642078