Fix typos pointed out by check_names

Signed-off-by: Yuto Takano <yuto.takano@arm.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 9080cd1..3b01b78 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -586,7 +586,7 @@
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN 1
 #define PSA_WANT_ALG_RSA_PKCS1V15_SIGN 1
 #define PSA_WANT_ALG_RSA_PKCS1V15_SIGN_RAW 1
-#endif /* MBEDTLSS_PKCS1_V15 */
+#endif /* MBEDTLS_PKCS1_V15 */
 #if defined(MBEDTLS_PKCS1_V21)
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP 1
 #define PSA_WANT_ALG_RSA_OAEP 1
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index a60db7e..ecf10bb 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -3179,7 +3179,7 @@
  * Maximum number of heap-allocated bytes for the purpose of
  * DTLS handshake message reassembly and future message buffering.
  *
- * This should be at least 9/8 * MBEDTLSSL_IN_CONTENT_LEN
+ * This should be at least 9/8 * MBEDTLS_SSL_IN_CONTENT_LEN
  * to account for a reassembled handshake message of maximum size,
  * together with its reassembly bitmap.
  *