Update wording in comments
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/include/mbedtls/pkcs7.h b/include/mbedtls/pkcs7.h
index 10a6322..39f9b04 100644
--- a/include/mbedtls/pkcs7.h
+++ b/include/mbedtls/pkcs7.h
@@ -32,12 +32,12 @@
* DER only.
* - The RFC specifies that multiple digest algorithms can be specified
* in the Signed Data type. Only one digest algorithm is supported in Mbed TLS.
- * - The RFC specifies the Signed Data type can contain multiple X509 or PKCS6
+ * - The RFC specifies the Signed Data type can contain multiple X.509 or PKCS #6
* certificates. In Mbed TLS, this list can only contain 0 or 1 certificates
- * and they must be in X509 format.
+ * and they must be in X.509 format.
* - The RFC specifies the Signed Data type can contain
- * certificate-revocation lists (crls). This implementation has no support
- * for crls so it is assumed to be an empty list.
+ * certificate-revocation lists (CRLs). This implementation has no support
+ * for CRLs so it is assumed to be an empty list.
* - The RFC allows for SignerInfo structure to optionally contain
* unauthenticatedAttributes and authenticatedAttributes. In Mbed TLS it is
* assumed these fields are empty.