Correct documentation references to Mbed TLS

Use the correct formatting of the product name in the documentation.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/ChangeLog.d/split-config.txt b/ChangeLog.d/split-config.txt
index 5d1201c..f66dc93 100644
--- a/ChangeLog.d/split-config.txt
+++ b/ChangeLog.d/split-config.txt
@@ -6,8 +6,8 @@
      build_info.h.
    * The handling of MBEDTLS_CONFIG_FILE has been moved into build_info.h.
    * A config file version symbol, MBEDTLS_CONFIG_VERSION was introduced.
-     Defining it to a particular value will ensure that mbedtls interprets
+     Defining it to a particular value will ensure that Mbed TLS interprets
      the config file in a way that's compatible with the config file format
-     used by the mbedtls release whose MBEDTLS_VERSION_NUMBER has the same
+     used by the Mbed TLS release whose MBEDTLS_VERSION_NUMBER has the same
      value.
-     The only value supported by mbedtls 3.0.0 is 0x03000000.
+     The only value supported by Mbed TLS 3.0.0 is 0x03000000.
diff --git a/docs/3.0-migration-guide.d/split_config.md b/docs/3.0-migration-guide.d/split_config.md
index b011ad7..ced3896 100644
--- a/docs/3.0-migration-guide.d/split_config.md
+++ b/docs/3.0-migration-guide.d/split_config.md
@@ -10,8 +10,8 @@
 macro.
 
 A config file version symbol, `MBEDTLS_CONFIG_VERSION` was introduced.
-Defining it to a particular value will ensure that mbedtls interprets
+Defining it to a particular value will ensure that Mbed TLS interprets
 the config file in a way that's compatible with the config file format
-used by the mbedtls release whose `MBEDTLS_VERSION_NUMBER` has the same
+used by the Mbed TLS release whose `MBEDTLS_VERSION_NUMBER` has the same
 value.
-The only value supported by mbedtls 3.0.0 is `0x03000000`.
+The only value supported by Mbed TLS 3.0.0 is `0x03000000`.
diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index 771aeb5..53327a8 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -28,7 +28,7 @@
 
 /*
  * This set of compile-time defines can be used to determine the version number
- * of the mbed TLS library used. Run-time variables for the same can be found in
+ * of the Mbed TLS library used. Run-time variables for the same can be found in
  * version.h
  */
 
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 21f0c77..3a4189d 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -28,7 +28,7 @@
  * This is an optional version symbol that enables comatibility handling of
  * config files.
  *
- * It is equal to the #MBEDTLS_VERSION_NUMBER of the mbedtls version that
+ * It is equal to the #MBEDTLS_VERSION_NUMBER of the Mbed TLS version that
  * introduced the config format we want to be compatible with.
  */
 //#define MBEDTLS_CONFIG_VERSION 0x03000000
diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index 648db7e..773da4a 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -21,7 +21,7 @@
  */
 /*
  * This set of run-time variables can be used to determine the version number of
- * the mbed TLS library used. Compile-time version defines for the same can be
+ * the Mbed TLS library used. Compile-time version defines for the same can be
  * found in build_info.h
  */
 #ifndef MBEDTLS_VERSION_H