diff --git a/ChangeLog b/ChangeLog
index 14a911400..a5201bf79 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -47,7 +47,7 @@ Bugfix
 Changes
    * Avoid shadowing of time and index functions through mbed TLS function
      arguments. Found by inestlerode. Fixes #557.
-
+   * Improve documentation of PKCS1 decryption functions.
 
 = mbed TLS 1.3.20 branch released 2017-06-21
 
diff --git a/include/polarssl/rsa.h b/include/polarssl/rsa.h
index 7d64f939a..5c2d875c2 100644
--- a/include/polarssl/rsa.h
+++ b/include/polarssl/rsa.h
@@ -378,6 +378,7 @@ int rsa_pkcs1_decrypt( rsa_context *ctx,
  *
  * \note           The input buffer must be as large as the size
  *                 of ctx->N (eg. 128 bytes if RSA-1024 is used).
+ *
  */
 int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
                                  int (*f_rng)(void *, unsigned char *, size_t),
@@ -411,8 +412,9 @@ int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
  *                 the decryption of the particular ciphertext provided,
  *                 the function will return POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE.
  *
- * \note           The input buffer must be as large as the size 
+ * \note           The input buffer must be as large as the size
  *                 of ctx->N (eg. 128 bytes if RSA-1024 is used).
+ *
  */
 int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
                             int (*f_rng)(void *, unsigned char *, size_t),