diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 67a24f0..96f0142 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -532,15 +532,15 @@
  *
  * \param p_ctx         An opaque context passed to the callback.
  * \param child         The certificate for which to search a potential signer.
- *                      This must point to a readable certificate.
+ *                      This will point to a readable certificate.
  * \param candidate_cas The address at which to store the address of the first
  *                      entry in the generated linked list of candidate signers.
- *                      This must not be \c NULL.
+ *                      This will not be \c NULL.
  *
  * \note                The callback must only return a non-zero value on a
  *                      fatal error. If, in contrast, the search for a potential
  *                      signer completes without a single candidate, the
- *                      callback must return \c 0 and get \c *candidate_cas
+ *                      callback must return \c 0 and set \c *candidate_cas
  *                      to \c NULL.
  *
  * \return              \c 0 on success. In this case, \c *candidate_cas points