diff --git a/tech/Resistor.wiki b/tech/Resistor.wiki
index 91518a1..a87be36 100644
--- a/tech/Resistor.wiki
+++ b/tech/Resistor.wiki
@@ -9,7 +9,11 @@ V = I * R
 
 == Series and parallel ==
 
-When a resistor is in series, the values add.
+When a resistor is in series, the values add. This means the value will always
+increase.
 
 When a resistor is in parallel, the resistance is the reciprocal of the sum of
-the reciprocal. For example, for R1 R2 and R3,
+the reciprocal. This means the values will always decrease. For example, for R1 
+R2 and R3,
+
+Total = 1/(1/R1 + 1/R2 + 1/R3)