Fix a typo

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 1a5a25f..4f1bf51 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -3405,7 +3405,7 @@
             return( MBEDTLS_ERR_SSL_HW_ACCEL_FAILED );
 
         /* Export the public part of the ECDH private key from PSA.
-         * The export format is an ECPoint structre as expected by TLS,
+         * The export format is an ECPoint structure as expected by TLS,
          * but we just need to add a length byte before that. */
         unsigned char *own_pubkey = ssl->out_msg + header_len + 1;
         unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;