Fix typos in comments

include/polarssl/config.h

@@ -639,7 +639,7 @@
  * current polarssl_strerror().
  *
  * For new code, it is recommended to use polarssl_strerror() instead and
- * disabled this.
+ * disable this.
  *
  * Disable if you run into name conflicts and want to really remove the
  * error_strerror()

include/polarssl/ecdh.h

@@ -47,7 +47,7 @@ typedef enum
  */
 typedef struct
 {
-    ecp_group grp;      /*!<  ellipitic curve used                          */
+    ecp_group grp;      /*!<  elliptic curve used                           */
     mpi d;              /*!<  our secret value (private key)                */
     ecp_point Q;        /*!<  our public value (public key)                 */
     ecp_point Qp;       /*!<  peer's public value (public key)              */

include/polarssl/ecdsa.h

@@ -40,7 +40,7 @@
  */
 typedef struct
 {
-    ecp_group grp;      /*!<  ellipitic curve used          */
+    ecp_group grp;      /*!<  elliptic curve used           */
     mpi d;              /*!<  secret signature key          */
     ecp_point Q;        /*!<  public signature key          */
     mpi r;              /*!<  first integer from signature  */