Fix a typo in the lib.foldr docstring

- This quote mark should be a backtick
- Using a quote mark instead of a backtick breaks formatting when rendering the docs

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/lists.nix b/lib/lists.nix
index 36056e18065e..602b13cf69cf 100644
--- a/lib/lists.nix
+++ b/lib/lists.nix
@@ -36,7 +36,7 @@ rec {
   forEach = xs: f: map f xs;
 
   /* “right fold” a binary function `op` between successive elements of
-     `list` with `nul' as the starting value, i.e.,
+     `list` with `nul` as the starting value, i.e.,
      `foldr op nul [x_1 x_2 ... x_n] == op x_1 (op x_2 ... (op x_n nul))`.
 
      Type: foldr :: (a -> b -> b) -> b -> [a] -> b