diff --git a/Arduino/CanGrow/CanGrow.ino b/Arduino/CanGrow/CanGrow.ino
index e5fc9e7..c6ecf8a 100644
--- a/Arduino/CanGrow/CanGrow.ino
+++ b/Arduino/CanGrow/CanGrow.ino
@@ -285,6 +285,14 @@ void loop() {
  */  
   
   
+/*
+ * Fan control
+ * 
+ * Vars:
+ *   - FanVent (byte) Fan1 or Fan2
+ *   - FanExhaust (byte) Fan1 or Fan2
+ *   - 
+ */  
   
 void controlPUMP() {
   // UsePump true?
diff --git a/Arduino/CanGrow/CanGrow_Version.h b/Arduino/CanGrow/CanGrow_Version.h
index 0f3937a..f5a7835 100644
--- a/Arduino/CanGrow/CanGrow_Version.h
+++ b/Arduino/CanGrow/CanGrow_Version.h
@@ -1,5 +1,5 @@
 /* CanGrow_Version.h gets generated from cangrow.sh */
 
 const char* CanGrowVer = "0.1-dev";
-const char* CanGrowBuild = "a0f3db9";
+const char* CanGrowBuild = "d6bd0f7";