changed 130B to 130A

docs/source/index.rst

diff --git a/docs/source/index.rst b/docs/source/index.rst
index de1083e..94931f4 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -93,7 +93,7 @@
 	# export the PDK variant depending on your shuttle, if you don't know leave it to the default
 	
 	# for sky130 MPW shuttles....
-	export PDK=sky130B
+	export PDK=sky130A
 	
 	# for the gf180 GFMPW shuttles...
 	export PDK=gf180mcuC