typo fix
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 128c2c0..8ecd17b 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -67,7 +67,7 @@
* PSA_SUCCESS. We must not define PSA_SUCCESS ourselves in that case;
* the other error code names don't clash. Also define psa_status_t as
* an alias for the type used by PSA IPC. This is a temporary hack
- * until we unify error reporting in PSA IPC and PSA crypo.
+ * until we unify error reporting in PSA IPC and PSA crypto.
*
* Note that psa_defs.h must be included before this header!
*/