Correct indentation and labelling in ChangeLog
diff --git a/ChangeLog b/ChangeLog
index 9f2384b..ba58a25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -27,13 +27,13 @@
 
 Security
    * Fix authentication bypass in SSL/TLS: when auth_mode is set to optional,
-   ssl_get_verify_result() would incorrectly return 0 when the peer's
-   X.509 certificate chain had more than POLARSSL_X509_MAX_INTERMEDIATE_CA
-   (default: 8) intermediates, even when it was not trusted. Could be
-   triggered remotely on both sides. (With auth_mode set to required
-   (default), the handshake was correctly aborted.)
+     ssl_get_verify_result() would incorrectly return 0 when the peer's
+     X.509 certificate chain had more than POLARSSL_X509_MAX_INTERMEDIATE_CA
+     (default: 8) intermediates, even when it was not trusted. Could be
+     triggered remotely on both sides. (With auth_mode set to required
+     (default), the handshake was correctly aborted.)
 
-Changes
+API Changes
    * Certificate verification functions now set flags to -1 in case the full
      chain was not verified due to an internal error (including in the verify
      callback) or chain length limitations.
@@ -190,9 +190,9 @@
 = mbed TLS 1.3.17 branch 2016-06-28
 
 Security
-   * Fix missing padding length check in mbedtls_rsa_rsaes_pkcs1_v15_decrypt 
+   * Fix missing padding length check in mbedtls_rsa_rsaes_pkcs1_v15_decrypt
      required by PKCS1 v2.2
-   * Fix a potential integer underflow to buffer overread in 
+   * Fix a potential integer underflow to buffer overread in
      mbedtls_rsa_rsaes_oaep_decrypt. It is not triggerable remotely in
      SSL/TLS.
    * Fix potential integer overflow to buffer overflow in
@@ -1223,7 +1223,7 @@
 Changes
    * Allow enabling of dummy error_strerror() to support some use-cases
    * Debug messages about padding errors during SSL message decryption are
-     disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL 
+     disabled by default and can be enabled with POLARSSL_SSL_DEBUG_ALL
    * Sending of security-relevant alert messages that do not break
      interoperability can be switched on/off with the flag
      POLARSSL_SSL_ALL_ALERT_MESSAGES
@@ -1252,7 +1252,7 @@
 Changes
    * Added p_hw_data to ssl_context for context specific hardware acceleration
      data
-   * During verify trust-CA is only checked for expiration and CRL presence  
+   * During verify trust-CA is only checked for expiration and CRL presence
 
 Bugfixes
    * Fixed client authentication compatibility
@@ -1550,9 +1550,9 @@
      with random data (Fixed ticket #10)
 
 Changes
-   * Debug print of MPI now removes leading zero octets and 
+   * Debug print of MPI now removes leading zero octets and
      displays actual bit size of the value.
-   * x509parse_key() (and as a consequence x509parse_keyfile()) 
+   * x509parse_key() (and as a consequence x509parse_keyfile())
      does not zeroize memory in advance anymore. Use rsa_init()
      before parsing a key or keyfile!
 
@@ -1574,7 +1574,7 @@
      printing of X509 CRLs from file
 
 Changes
-   * Parsing of PEM files moved to separate module (Fixes 
+   * Parsing of PEM files moved to separate module (Fixes
      ticket #13). Also possible to remove PEM support for
      systems only using DER encoding
 
@@ -1717,7 +1717,7 @@
    * Fixed HMAC-MD2 by modifying md2_starts(), so that the
      required HMAC ipad and opad variables are not cleared.
      (found by code coverage tests)
-   * Prevented use of long long in bignum if 
+   * Prevented use of long long in bignum if
      POLARSSL_HAVE_LONGLONG not defined (found by Giles
      Bathgate).
    * Fixed incorrect handling of negative strings in
@@ -1758,7 +1758,7 @@
    * Made definition of net_htons() endian-clean for big endian
      systems (Found by Gernot).
    * Undefining POLARSSL_HAVE_ASM now also handles prevents asm in
-     padlock and timing code. 
+     padlock and timing code.
    * Fixed an off-by-one buffer allocation in ssl_set_hostname()
      responsible for crashes and unwanted behaviour.
    * Added support for Certificate Revocation List (CRL) parsing.
@@ -1932,4 +1932,3 @@
     who maintains the Debian package :-)
 
 = Version 0.1 released on 2006-11-01
-