diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index c33b9e8..f4ae307 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -123,7 +123,7 @@
  * only.  Their primary purpose is to access PCI and ISA peripherals.
  *
  * Note that for a big endian machine, this implies that the following
- * big endian mode connectivity is in place, as described by numerious
+ * big endian mode connectivity is in place, as described by numerous
  * ARM documents:
  *
  *    PCI:  D0-D7   D8-D15 D16-D23 D24-D31