Fix some minor Config doc issues

[Robbepop]

No description provided.

[paritytech-cicd-pr]

BENCHMARKS

	NATIVE			WASMTIME
BENCHMARK	MASTER	PR	DIFF	MASTER	PR	DIFF	WASMTIME OVERHEAD
execute/ bare_call_0	1.46ms	1.48ms	⚪ 1.25%	1.22ms	1.19ms	🟢 -2.34%	🟢 -20%
execute/ bare_call_0/typed	1.06ms	1.07ms	⚪ 0.53%	801.78µs	786.89µs	⚪ -1.84%	🟢 -26%
execute/ bare_call_1	1.50ms	1.52ms	⚪ 1.08%	1.43ms	1.40ms	🔴 -2.12%	🟢 -8%
execute/ bare_call_16	2.38ms	2.40ms	⚪ 1.46%	4.21ms	4.21ms	🟢 -0.12%	🟡 75%
execute/ bare_call_16/typed	1.58ms	1.59ms	⚪ 0.94%	2.31ms	2.27ms	🟢 -1.78%	🟢 42%
execute/ bare_call_1/typed	1.17ms	1.18ms	⚪ 1.62%	1.19ms	1.21ms	🔴 1.97%	🟢 2%
execute/ bare_call_4	1.67ms	1.75ms	🔴 4.94%	1.94ms	1.94ms	🟢 0.11%	🟢 11%
execute/ bare_call_4/typed	1.17ms	1.16ms	⚪ -0.14%	1.34ms	1.20ms	🟢 -10.59%	🟢 3%
execute/ br_table	1.21ms	1.19ms	⚪ -1.14%	1.40ms	1.39ms	⚪ -1.00%	🟢 16%
execute/ count_until	651.23µs	715.57µs	🔴 9.81%	1.98ms	2.34ms	🔴 17.89%	🔴 227%
execute/ factorial_iterative	325.40µs	326.06µs	⚪ 0.16%	913.78µs	910.99µs	⚪ -0.32%	🔴 179%
execute/ factorial_recursive	639.79µs	643.12µs	⚪ 0.07%	1.37ms	1.38ms	⚪ 0.48%	🔴 115%
execute/ fib_iterative	1.50ms	1.36ms	🟢 -9.79%	5.06ms	5.05ms	⚪ 0.08%	🔴 273%
execute/ fib_recursive	5.83ms	5.86ms	⚪ 0.30%	12.28ms	12.18ms	⚪ -0.67%	🔴 108%
execute/ global_bump	985.37µs	1.02ms	🔴 2.89%	2.64ms	2.64ms	⚪ -0.08%	🔴 160%
execute/ global_const	728.01µs	725.57µs	⚪ -0.18%	2.36ms	2.38ms	⚪ 0.90%	🔴 228%
execute/ host_calls	28.09µs	27.91µs	⚪ 0.09%	39.67µs	39.72µs	⚪ 0.23%	🟢 42%
execute/ memory_fill	1.23ms	1.23ms	⚪ -0.11%	4.24ms	4.27ms	⚪ 0.73%	🔴 247%
execute/ memory_sum	1.19ms	1.19ms	⚪ -0.48%	4.14ms	4.13ms	⚪ -0.10%	🔴 248%
execute/ memory_vec_add	2.43ms	2.42ms	⚪ -0.63%	8.01ms	7.96ms	⚪ -0.63%	🔴 229%
execute/ recursive_is_even	1.15ms	1.15ms	⚪ -0.08%	2.27ms	2.27ms	⚪ 0.33%	🟡 98%
execute/ recursive_ok	145.72µs	145.30µs	⚪ -0.24%	322.37µs	319.05µs	⚪ -1.05%	🔴 120%
execute/ recursive_scan	179.54µs	181.73µs	⚪ 1.39%	407.75µs	403.52µs	🟢 -1.14%	🔴 122%
execute/ recursive_trap	14.43µs	14.31µs	⚪ -0.47%	33.02µs	32.82µs	⚪ -0.59%	🔴 129%
execute/ regex_redux	527.60µs	516.34µs	🟢 -2.20%	1.45ms	1.43ms	🟢 -1.35%	🔴 177%
execute/ rev_complement	466.52µs	469.49µs	⚪ 0.71%	1.43ms	1.42ms	⚪ -0.38%	🔴 203%
execute/ tiny_keccak	330.21µs	325.83µs	🟢 -1.41%	1.17ms	1.17ms	⚪ 0.64%	🔴 260%
execute/ trunc_f2i	708.44µs	709.91µs	⚪ 0.74%	2.27ms	2.27ms	⚪ -0.13%	🔴 220%
instantiate/ wasm_kernel	64.86µs	63.84µs	⚪ -0.03%	72.12µs	69.95µs	⚪ -1.61%	🟢 10%
translate/ erc1155	234.59µs	235.91µs	⚪ 0.34%	463.94µs	461.74µs	⚪ -0.45%	🟡 96%
translate/ erc20	114.74µs	114.18µs	⚪ -0.49%	225.00µs	224.46µs	⚪ -0.39%	🟡 97%
translate/ erc721	161.89µs	162.19µs	⚪ -0.14%	331.76µs	326.74µs	🟢 -2.11%	🔴 101%
translate/ spidermonkey	0.00ns	0.00ns	⚪ -0.49%	0.00ns	0.00ns	⚪ -0.59%	🟢 0%
translate/ wasm_kernel	4.05ms	4.05ms	⚪ 0.02%	8.42ms	8.36ms	⚪ -0.61%	🔴 106%

Link to pipeline