diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 4d6c0f9..88e5acc 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -2592,7 +2592,7 @@
     return aa64;
 }
 
-/* Function for determing whether guest cp register reads and writes should
+/* Function for determining whether guest cp register reads and writes should
  * access the secure or non-secure bank of a cp register.  When EL3 is
  * operating in AArch32 state, the NS-bit determines whether the secure
  * instance of a cp register should be used. When EL3 is AArch64 (or if