diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h
index af981426fe0f..a7644f46d0e5 100644
--- a/arch/riscv/include/asm/vdso.h
+++ b/arch/riscv/include/asm/vdso.h
@@ -10,7 +10,7 @@
 
 /*
  * All systems with an MMU have a VDSO, but systems without an MMU don't
- * support shared libraries and therefor don't have one.
+ * support shared libraries and therefore don't have one.
  */
 #ifdef CONFIG_MMU