diff --git a/stm50flw0x0x.c b/stm50flw0x0x.c
index 8a00308..3539395 100644
--- a/stm50flw0x0x.c
+++ b/stm50flw0x0x.c
@@ -49,7 +49,7 @@
 	 * to them. The size of the locking sectors depends on the type
 	 * of chip.
 	 *
-	 * Sometimes, the BIOS does this for you; so you propably
+	 * Sometimes, the BIOS does this for you; so you probably
 	 * don't need to worry about that.
 	 */