diff --git a/docs/projects/soil-moisture/make.md b/docs/projects/soil-moisture/make.md
index 79aafead..f801da5c 100644
--- a/docs/projects/soil-moisture/make.md
+++ b/docs/projects/soil-moisture/make.md
@@ -2,7 +2,7 @@
 
 https://youtu.be/S8NppVT_paw
 
-* Connect a nail to the ``GND`` pin with a croc clip and insert it in the soil
+* Connect a nail to the ``3V`` pin with a croc clip and insert it in the soil
 * Connect the other nail to the ``P0`` pin with a croc clip and insert it in the soil 
 
 That's it!
@@ -11,4 +11,4 @@ That's it!
 
 Code
 
-## ~
\ No newline at end of file
+## ~