diff --git a/configs/README.txt b/configs/README.txt
index 9e5a243..86496db 100644
--- a/configs/README.txt
+++ b/configs/README.txt
@@ -21,4 +21,4 @@
     make
 
 Note that the second method also works if you want to keep your custom
-configuration file outside the mbed TLS tree.
+configuration file outside the Mbed TLS tree.
diff --git a/configs/config-no-entropy.h b/configs/config-no-entropy.h
index 31fab4e..1964e8e 100644
--- a/configs/config-no-entropy.h
+++ b/configs/config-no-entropy.h
@@ -33,7 +33,7 @@
 #define MBEDTLS_HAVE_ASM
 #define MBEDTLS_HAVE_TIME
 
-/* mbed TLS feature support */
+/* Mbed TLS feature support */
 #define MBEDTLS_CIPHER_MODE_CBC
 #define MBEDTLS_CIPHER_PADDING_PKCS7
 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
@@ -47,7 +47,7 @@
 #define MBEDTLS_SELF_TEST
 #define MBEDTLS_VERSION_FEATURES
 
-/* mbed TLS modules */
+/* Mbed TLS modules */
 #define MBEDTLS_AES_C
 #define MBEDTLS_ASN1_PARSE_C
 #define MBEDTLS_ASN1_WRITE_C
diff --git a/configs/config-suite-b.h b/configs/config-suite-b.h
index 89898b3..56a700f 100644
--- a/configs/config-suite-b.h
+++ b/configs/config-suite-b.h
@@ -37,13 +37,13 @@
 #define MBEDTLS_HAVE_ASM
 #define MBEDTLS_HAVE_TIME
 
-/* mbed TLS feature support */
+/* Mbed TLS feature support */
 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
 #define MBEDTLS_ECP_DP_SECP384R1_ENABLED
 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 #define MBEDTLS_SSL_PROTO_TLS1_2
 
-/* mbed TLS modules */
+/* Mbed TLS modules */
 #define MBEDTLS_AES_C
 #define MBEDTLS_ASN1_PARSE_C
 #define MBEDTLS_ASN1_WRITE_C
diff --git a/configs/config-thread.h b/configs/config-thread.h
index 0652136..e05b557 100644
--- a/configs/config-thread.h
+++ b/configs/config-thread.h
@@ -35,7 +35,7 @@
 /* System support */
 #define MBEDTLS_HAVE_ASM
 
-/* mbed TLS feature support */
+/* Mbed TLS feature support */
 #define MBEDTLS_AES_ROM_TABLES
 #define MBEDTLS_ECP_DP_SECP256R1_ENABLED
 #define MBEDTLS_ECP_NIST_OPTIM
@@ -46,7 +46,7 @@
 #define MBEDTLS_SSL_DTLS_ANTI_REPLAY
 #define MBEDTLS_SSL_DTLS_HELLO_VERIFY
 
-/* mbed TLS modules */
+/* Mbed TLS modules */
 #define MBEDTLS_AES_C
 #define MBEDTLS_ASN1_PARSE_C
 #define MBEDTLS_ASN1_WRITE_C