Update sha256.h
Minor fix based on review comments
@@ -102,7 +102,7 @@ int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 );
* \brief This function feeds an input buffer into an ongoing
* SHA-256 checksum calculation.
*
- * \param ctx The SHA-256 context to initialize.
+ * \param ctx The SHA-256 context.
* \param input The buffer holding the data.
* \param ilen The length of the input data.
*
