diff --git a/include/psa/crypto_builtin_composites.h b/include/psa/crypto_builtin_composites.h
index 3ba18b3977..c28036090b 100644
--- a/include/psa/crypto_builtin_composites.h
+++ b/include/psa/crypto_builtin_composites.h
@@ -7,10 +7,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the Mbed TLS software-based PSA drivers. The
- * definition of these objects are then used by crypto_struct.h to define the
+ * definitions of these objects are then used by crypto_struct.h to define the
  * implementation-defined types of PSA multi-part state objects.
  */
 /*
diff --git a/include/psa/crypto_builtin_key_derivation.h b/include/psa/crypto_builtin_key_derivation.h
index a9b81eba3f..1913a9b548 100644
--- a/include/psa/crypto_builtin_key_derivation.h
+++ b/include/psa/crypto_builtin_key_derivation.h
@@ -7,10 +7,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the Mbed TLS software-based PSA drivers. The
- * definition of these objects are then used by crypto_struct.h to define the
+ * definitions of these objects are then used by crypto_struct.h to define the
  * implementation-defined types of PSA multi-part state objects.
  */
 /*
diff --git a/include/psa/crypto_builtin_primitives.h b/include/psa/crypto_builtin_primitives.h
index c76bc78143..f3e438dd77 100644
--- a/include/psa/crypto_builtin_primitives.h
+++ b/include/psa/crypto_builtin_primitives.h
@@ -7,10 +7,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the Mbed TLS software-based PSA drivers. The
- * definition of these objects are then used by crypto_struct.h to define the
+ * definitions of these objects are then used by crypto_struct.h to define the
  * implementation-defined types of PSA multi-part state objects.
  */
 /*
diff --git a/include/psa/crypto_driver_contexts_composites.h b/include/psa/crypto_driver_contexts_composites.h
index 6c56a51dbc..068a193bcc 100644
--- a/include/psa/crypto_driver_contexts_composites.h
+++ b/include/psa/crypto_driver_contexts_composites.h
@@ -9,10 +9,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the PSA drivers included in the cryptographic
- * library. The definition of these objects are then used by crypto_struct.h
+ * library. The definitions of these objects are then used by crypto_struct.h
  * to define the implementation-defined types of PSA multi-part state objects.
  */
 /*  Copyright The Mbed TLS Contributors
diff --git a/include/psa/crypto_driver_contexts_key_derivation.h b/include/psa/crypto_driver_contexts_key_derivation.h
index dc09136b59..39754cc010 100644
--- a/include/psa/crypto_driver_contexts_key_derivation.h
+++ b/include/psa/crypto_driver_contexts_key_derivation.h
@@ -8,10 +8,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the PSA drivers included in the cryptographic
- * library. The definition of these objects are then used by crypto_struct.h
+ * library. The definitions of these objects are then used by crypto_struct.h
  * to define the implementation-defined types of PSA multi-part state objects.
  */
 /*  Copyright The Mbed TLS Contributors
diff --git a/include/psa/crypto_driver_contexts_primitives.h b/include/psa/crypto_driver_contexts_primitives.h
index 620a4b3a77..7f81f62406 100644
--- a/include/psa/crypto_driver_contexts_primitives.h
+++ b/include/psa/crypto_driver_contexts_primitives.h
@@ -8,10 +8,10 @@
  * \note This file may not be included directly. Applications must
  * include psa/crypto.h.
  *
- * \note This header and its content is not part of the Mbed TLS API and
+ * \note This header and its content are not part of the Mbed TLS API and
  * applications must not depend on it. Its main purpose is to define the
  * multi-part state objects of the PSA drivers included in the cryptographic
- * library. The definition of these objects are then used by crypto_struct.h
+ * library. The definitions of these objects are then used by crypto_struct.h
  * to define the implementation-defined types of PSA multi-part state objects.
  */
 /*  Copyright The Mbed TLS Contributors