diff --git a/examples/ReadUidMultiReader/ReadUidMultiReader.ino b/examples/ReadUidMultiReader/ReadUidMultiReader.ino
index c14c17a..dc38282 100644
--- a/examples/ReadUidMultiReader/ReadUidMultiReader.ino
+++ b/examples/ReadUidMultiReader/ReadUidMultiReader.ino
@@ -31,8 +31,8 @@
 #include <MFRC522.h>
 
 #define RST_PIN         9          // Configurable, see typical pin layout above
-#define SS_1_PIN        10         // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 2
-#define SS_2_PIN        8          // Configurable, take a unused pin, only HIGH/LOW required, must be diffrent to SS 1
+#define SS_1_PIN        10         // Configurable, take a unused pin, only HIGH/LOW required, must be different to SS 2
+#define SS_2_PIN        8          // Configurable, take a unused pin, only HIGH/LOW required, must be different to SS 1
 
 #define NR_OF_READERS   2