diff --git a/arch/arm/src/sama5/chip/sam_ehci.h b/arch/arm/src/sama5/chip/sam_ehci.h
index 15d8d58abc3..9d1282e309b 100644
--- a/arch/arm/src/sama5/chip/sam_ehci.h
+++ b/arch/arm/src/sama5/chip/sam_ehci.h
@@ -64,7 +64,7 @@
  * However, for the case of the SAMA5 EHCI, we know apriori that the value
  * of 'caplength' is 0x10.  We keep this structure, however, to faciltate
  * porting this driver to other environments where, perhaps, such knowledge
- * is not availaable.
+ * is not available.
  */
 
 /* Host Controller Capability Registers */