swap 2 branches in How to compile section #307

All 101 tests pass in 13s

101 tests ±0 101 ✔️ ±0 13s ⏱️ -1s
  16 suites ±0     0 💤 ±0
  16 files ±0     0 ❌ ±0

Results for commit 51230ac. ± Comparison against earlier commit 12d0128.