Fix typos prior to release

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 040dc80..e4d50db 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -691,7 +691,7 @@
     int auth_done = 0;
     unsigned char * data;
     /* For an explanation of the additional data length see
-    * the descrpition of ssl_extract_add_data_from_record().
+    * the description of ssl_extract_add_data_from_record().
     */
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     unsigned char add_data[23 + MBEDTLS_SSL_CID_OUT_LEN_MAX];
@@ -1289,7 +1289,7 @@
 #endif
     unsigned char* data;
     /* For an explanation of the additional data length see
-    * the descrpition of ssl_extract_add_data_from_record().
+    * the description of ssl_extract_add_data_from_record().
     */
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     unsigned char add_data[23 + MBEDTLS_SSL_CID_IN_LEN_MAX];
@@ -4098,7 +4098,7 @@
     if( hs == NULL )
         return( -1 );
 
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> ssl_load_buffered_messsage" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> ssl_load_buffered_message" ) );
 
     if( ssl->state == MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC ||
         ssl->state == MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC )