diff --git a/Electronics/Resistance.md b/Electronics/Resistance.md
index 162b63b..cebae52 100644
--- a/Electronics/Resistance.md
+++ b/Electronics/Resistance.md
@@ -2,6 +2,7 @@
 title: Resistance
 categories:
   - Electronics
+  - test
 tags: [physics, electricity]
 ---