fixup! backtick formatting

docs/internals/optimizer.rst

@@ -7,7 +7,7 @@ The Optimizer
 
 The Solidity compiler uses three different optimizer modules: The "old" optimizer
 that operates at the opcode level and two "new" optimizers, one that operates on Yul IR code
-and another that removes unnecessary overflow checks of code generation of `for` loops.
+and another that removes unnecessary overflow checks of code generation of ``for`` loops.
 
 The opcode-based optimizer applies a set of `simplification rules <https://github.com/ethereum/solidity/blob/develop/libevmasm/RuleList.h>`_
 to opcodes. It also combines equal code sets and removes unused code.