diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 47b29de..e47e70c 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -646,7 +646,7 @@
  * \brief           Request CRT frame giving access to basic CRT fields
  *                  and raw ASN.1 data of complex fields.
  *
- * \param crt       The CRT to use. This must be initialized and setup.
+ * \param crt       The CRT to use. This must be initialized and set up.
  * \param dst       The address of the destination frame structure.
  *                  This need not be initialized.
  *
@@ -666,7 +666,7 @@
 /**
  * \brief           Setup a PK context with the public key in a certificate.
  *
- * \param crt       The certificate to use. This must be initialized and setup.
+ * \param crt       The certificate to use. This must be initialized and set up.
  * \param pk        The address of the destination PK context to fill.
  *                  This must be initialized via mbedtls_pk_init().
  *
@@ -682,7 +682,7 @@
  * \brief           Request the subject name of a CRT, presented
  *                  as a dynamically allocated linked list.
  *
- * \param crt       The CRT to use. This must be initialized and setup.
+ * \param crt       The CRT to use. This must be initialized and set up.
  * \param subject   The address at which to store the address of the
  *                  first entry of the generated linked list holding
  *                  the subject name.
@@ -707,7 +707,7 @@
  * \brief           Request the subject name of a CRT, presented
  *                  as a dynamically allocated linked list.
  *
- * \param crt       The CRT to use. This must be initialized and setup.
+ * \param crt       The CRT to use. This must be initialized and set up.
  * \param issuer    The address at which to store the address of the
  *                  first entry of the generated linked list holding
  *                  the subject name.
@@ -732,7 +732,7 @@
  * \brief           Request the subject alternative name of a CRT, presented
  *                  as a dynamically allocated linked list.
  *
- * \param crt       The CRT to use. This must be initialized and setup.
+ * \param crt       The CRT to use. This must be initialized and set up.
  * \param subj_alt  The address at which to store the address of the
  *                  first component of the subject alternative names list.
  *
@@ -757,7 +757,7 @@
  * \brief           Request the ExtendedKeyUsage extension of a CRT,
  *                  presented as a dynamically allocated linked list.
  *
- * \param crt       The CRT to use. This must be initialized and setup.
+ * \param crt       The CRT to use. This must be initialized and set up.
  * \param ext_key_usage The address at which to store the address of the
  *                  first entry of the ExtendedKeyUsage extension.
  *