diff --git a/docs/source/index.rst b/docs/source/index.rst
index bb272cbbc..dfc4bb2d5 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -90,7 +90,7 @@ Starting your project
 	export PDK=sky130A
 	
 	# for the gf180 GFMPW shuttles...
-	export PDK=gf180mcuC
+	export PDK=gf180mcuD