Correct typo in rsa.c
@@ -139,7 +139,7 @@ int mbedtls_rsa_deduce_moduli( mbedtls_mpi *N, mbedtls_mpi *D, mbedtls_mpi *E,
* several calculations are done in place and temporarily change
* the values of D and E.
*
- * Specifically, D is replaced the largest odd divisor of DE - 1
+ * Specifically, D is replaced by the largest odd divisor of DE - 1
* throughout the calculations.
*/
