flakes.md: Fix indentation that broke the list

Author: edolstra

src/nix/flake.md

@@ -214,12 +214,12 @@ Currently the `type` attribute can be one of the following:
     hand, a flake in the `/foo` directory of a tree can use
     `path:../bar` to refer to the flake in `/bar`.
 
-Path inputs can be specified with path values in `flake.nix`. Path values are a syntax for `path` inputs, and they are converted by
-1. resolving them into relative paths, relative to the base directory of `flake.nix`
-2. escaping URL characters (refer to IETF RFC?)
-3. prepending `path:`
+  Path inputs can be specified with path values in `flake.nix`. Path values are a syntax for `path` inputs, and they are converted by
+  1. resolving them into relative paths, relative to the base directory of `flake.nix`
+  2. escaping URL characters (refer to IETF RFC?)
+  3. prepending `path:`
 
-Note that the allowed syntax for path values in flake `inputs` may be more restrictive than general Nix, so you may need to use `path:` if your path contains certain special characters. See [Path literals](@docroot@/language/syntax.md#path-literal)
+  Note that the allowed syntax for path values in flake `inputs` may be more restrictive than general Nix, so you may need to use `path:` if your path contains certain special characters. See [Path literals](@docroot@/language/syntax.md#path-literal)
 
   Note that if you omit `path:`, relative paths must start with `.` to
   avoid ambiguity with registry lookups (e.g. `nixpkgs` is a registry