Minor documentation improvement

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/configs/config-ccm-psk-dtls1_2.h b/configs/config-ccm-psk-dtls1_2.h
index 0be4f05..982bc2c 100644
--- a/configs/config-ccm-psk-dtls1_2.h
+++ b/configs/config-ccm-psk-dtls1_2.h
@@ -23,7 +23,7 @@
  * Minimal configuration for DTLS 1.2 with PSK and AES-CCM ciphersuites
  *
  * Distinguishing features:
- * - Optimized for small code size, low bandwidth (on an unreliable network),
+ * - Optimized for small code size, low bandwidth (on an unreliable transport),
  *   and low RAM usage.
  * - No asymmetric cryptography (no certificates, no Diffie-Hellman key
  *   exchange).
diff --git a/configs/config-ccm-psk-tls1_2.h b/configs/config-ccm-psk-tls1_2.h
index ca1e6c9..3216e17 100644
--- a/configs/config-ccm-psk-tls1_2.h
+++ b/configs/config-ccm-psk-tls1_2.h
@@ -23,7 +23,7 @@
  * Minimal configuration for TLS 1.2 with PSK and AES-CCM ciphersuites
  *
  * Distinguishing features:
- * - Optimized for small code size, low bandwidth (on a reliable network),
+ * - Optimized for small code size, low bandwidth (on a reliable transport),
  *   and low RAM usage.
  * - No asymmetric cryptography (no certificates, no Diffie-Hellman key
  *   exchange).