diff --git a/sys/include/hashes/sha256.h b/sys/include/hashes/sha256.h
index 0a288342a21493ffad5753bcea9b7d7ef65886bf..0682c7e57b365d46c494901d2489c0f9508b4174 100644
--- a/sys/include/hashes/sha256.h
+++ b/sys/include/hashes/sha256.h
@@ -60,7 +60,7 @@ extern "C" {
 #define SHA256_INTERNAL_BLOCK_SIZE (64)
 
 /**
- * @brief Context for ciper operations based on sha256
+ * @brief Context for cipher operations based on sha256
  */
 typedef struct {
     /** global state */