pkgs/stdenv: fix typos

pkgs/stdenv/booter.nix

@@ -31,7 +31,7 @@
 #   [ pkgset -> (args to stage/default.nix) or ({ __raw = true; } // pkgs) ]
 #   -> pkgset
 #
-# In english: This takes a list of function from the previous stage pkgset and
+# In English: This takes a list of function from the previous stage pkgset and
 # returns the final pkgset. Each of those functions returns, if `__raw` is
 # undefined or false, args for this stage's pkgset (the most complex and
 # important arg is the stdenv), or, if `__raw = true`, simply this stage's

pkgs/stdenv/darwin/stdenv-bootstrap-tools.nix

@@ -230,7 +230,7 @@ stdenv.mkDerivation (finalAttrs: {
           rpath='@loader_path/..'
           ;;
         *)
-          echo unkown executable $1 >&2
+          echo unknown executable $1 >&2
           exit 1
           ;;
         esac

pkgs/stdenv/generic/default.nix

@@ -8,7 +8,7 @@ let
       initialPath,
 
       # If we don't have a C compiler, we might either have `cc = null` or `cc =
-      # throw ...`, but if we do have a C compiler we should definiely have `cc !=
+      # throw ...`, but if we do have a C compiler we should definitely have `cc !=
       # null`.
       #
       # TODO(@Ericson2314): Add assert without creating infinite recursion

pkgs/stdenv/linux/default.nix

@@ -23,7 +23,7 @@
 # Stages are described below along with their definitions.
 #
 # Debugging stdenv dependency graph:
-# An useful tool to explore dependencies across stages is to use
+# A useful tool to explore dependencies across stages is to use
 # '__bootPackages' attribute of 'stdenv. Examples of last 3 stages:
 # - stdenv
 # - stdenv.__bootPackages.stdenv