Merge pull request #211082 from hercules-ci/fix-issue-16182

Fix issue 16182  `Error: _assignFirst found no valid variant!`

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/stdenv/stdenv.chapter.md b/doc/stdenv/stdenv.chapter.md
index 7d861860a723b..b34c39e3b8e02 100644
--- a/doc/stdenv/stdenv.chapter.md
+++ b/doc/stdenv/stdenv.chapter.md
@@ -253,7 +253,7 @@ The propagated equivalent of `depsTargetTarget`. This is prefixed for the same r
 
 #### `NIX_DEBUG` {#var-stdenv-NIX_DEBUG}
 
-A natural number indicating how much information to log. If set to 1 or higher, `stdenv` will print moderate debugging information during the build. In particular, the `gcc` and `ld` wrapper scripts will print out the complete command line passed to the wrapped tools. If set to 6 or higher, the `stdenv` setup script will be run with `set -x` tracing. If set to 7 or higher, the `gcc` and `ld` wrapper scripts will also be run with `set -x` tracing.
+A number between 0 and 7 indicating how much information to log. If set to 1 or higher, `stdenv` will print moderate debugging information during the build. In particular, the `gcc` and `ld` wrapper scripts will print out the complete command line passed to the wrapped tools. If set to 6 or higher, the `stdenv` setup script will be run with `set -x` tracing. If set to 7 or higher, the `gcc` and `ld` wrapper scripts will also be run with `set -x` tracing.
 
 ### Attributes affecting build properties {#attributes-affecting-build-properties}