Fix variable name mis-match in example code
@@ -156,7 +156,7 @@ A B<DH> key can be generated with a named safe prime group by calling:
EVP_PKEY_CTX_set_params(pctx, params);
EVP_PKEY_generate(pctx, &pkey);
...
- EVP_PKEY_free(key);
+ EVP_PKEY_free(pkey);
EVP_PKEY_CTX_free(pctx);
B<DHX> domain parameters can be generated according to B<FIPS 186-4> by calling:
