doc/hooks/zig.section.md: reword

## Variables controlling zig.hook {#variables-controlling-zig-hook}

### `dontUseZigBuild` {#dontUseZigBuild}

### `zig.hook` Exclusive Variables {#zigHookExclusiveVariables}

Disables using `zigBuildPhase`.

The variables below are exclusive to `zig.hook`.

### `zigBuildFlags` {#zigBuildFlags}

#### `dontUseZigBuild` {#dontUseZigBuild}

Controls the flags passed to the build phase.

Disables using `zigBuildPhase`.

### `dontUseZigCheck` {#dontUseZigCheck}

#### `dontUseZigCheck` {#dontUseZigCheck}

Disables using `zigCheckPhase`.

### `zigCheckFlags` {#zigCheckFlags}

Controls the flags passed to the check phase.

### `dontUseZigInstall` {#dontUseZigInstall}

#### `dontUseZigInstall` {#dontUseZigInstall}

Disables using `zigInstallPhase`.

### `zigInstallFlags` {#zigInstallFlags}

### Similar variables {#similarVariables}

The following variables are similar to their `stdenv.mkDerivation` counterparts.

Controls the flags passed to the install phase.

| `zig.hook` Variable | `stdenv.mkDerivation` Counterpart |

|---------------------|-----------------------------------|

| `zigBuildFlags`     | `buildFlags`                      |

| `zigCheckFlags`     | `checkFlags`                      |

| `zigInstallFlags`   | `installFlags`                    |

### Variables honored by zig.hook {#variables-honored-by-zig-hook}

The following variables commonly used by `stdenv.mkDerivation` are honored by `zig.hook`.

- `prefixKey`

- `dontAddPrefix`