doc update
diff --git a/docs/source/_static/Riscduino_Soc.png b/docs/source/_static/Riscduino_Soc.png
index 69e3783..75fce00 100644
--- a/docs/source/_static/Riscduino_Soc.png
+++ b/docs/source/_static/Riscduino_Soc.png
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