diff --git a/src/engine/engine_fast.c b/src/engine/engine_fast.c
index e62593d..d2a8153 100644
--- a/src/engine/engine_fast.c
+++ b/src/engine/engine_fast.c
@@ -91,7 +91,7 @@ static int _ocf_read_fast_do(struct ocf_request *req)
 		ocf_engine_io_count(req), _ocf_read_fast_complete);
 
 
-	/* Updata statistics */
+	/* Update statistics */
 	ocf_engine_update_request_stats(req);
 	ocf_engine_update_block_stats(req);
 
diff --git a/src/engine/engine_wb.c b/src/engine/engine_wb.c
index 223cabf..f97793d 100644
--- a/src/engine/engine_wb.c
+++ b/src/engine/engine_wb.c
@@ -150,13 +150,13 @@ int ocf_write_wb_do(struct ocf_request *req)
 	/* Get OCF request - increase reference counter */
 	ocf_req_get(req);
 
-	/* Updata status bits */
+	/* Update status bits */
 	_ocf_write_wb_update_bits(req);
 
 	/* Submit IO */
 	_ocf_write_wb_submit(req);
 
-	/* Updata statistics */
+	/* Update statistics */
 	ocf_engine_update_request_stats(req);
 	ocf_engine_update_block_stats(req);