diff --git a/target/avr/helper.c b/target/avr/helper.c
index 65880b9928..b4532de252 100644
--- a/target/avr/helper.c
+++ b/target/avr/helper.c
@@ -98,7 +98,7 @@ int avr_cpu_memory_rw_debug(CPUState *cs, vaddr addr, uint8_t *buf,
 
 hwaddr avr_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 {
-    return addr; /* I assume 1:1 address correspondance */
+    return addr; /* I assume 1:1 address correspondence */
 }
 
 bool avr_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
@@ -299,7 +299,7 @@ void helper_outb(CPUAVRState *env, uint32_t port, uint32_t data)
 }
 
 /*
- *  this function implements LD instruction when there is a posibility to read
+ *  this function implements LD instruction when there is a possibility to read
  *  from a CPU register
  */
 target_ulong helper_fullrd(CPUAVRState *env, uint32_t addr)
@@ -323,7 +323,7 @@ target_ulong helper_fullrd(CPUAVRState *env, uint32_t addr)
 }
 
 /*
- *  this function implements ST instruction when there is a posibility to write
+ *  this function implements ST instruction when there is a possibility to write
  *  into a CPU register
  */
 void helper_fullwr(CPUAVRState *env, uint32_t data, uint32_t addr)