diff --git a/docs/hand_wire.md b/docs/hand_wire.md
index b5a565714..8c8ade424 100644
--- a/docs/hand_wire.md
+++ b/docs/hand_wire.md
@@ -6,7 +6,7 @@ Parts list:
 * Keyboard plate (metal, plastic, cardboard, etc)
 * Wire (strained for wiring to the Teensy, anything for the rows/columns)
 * Soldering iron set at 600ºF or 315ºC (if temperature-controlled)
-* Resin-cored solder (leaded or lead-free)
+* Rosin-cored solder (leaded or lead-free)
 * Adequate ventilation/a fan
 * Tweezers (optional)
 * Wire cutters/snippers