diff --git a/build.md b/build.md
index 6a71a7687e..e425ea378a 100644
--- a/build.md
+++ b/build.md
@@ -86,9 +86,9 @@ have several options:
   for more instructions.
 
 * **Unix-style install** — This mode installs to a given destination
-  directory (on platforms other Windows), leaving no reference to the
-  source directory. This is the most natural mode for installing once
-  from the source repository. See [Quick Instructions: Unix-Style
+  directory (on platforms other than Windows), leaving no reference to
+  the source directory. This is the most natural mode for installing
+  once from the source repository. See [Quick Instructions: Unix-Style
   Install](#14-quick-instructions-unix-style-install) for more
   instructions.
 
diff --git a/pkgs/racket-build-guide/build.scrbl b/pkgs/racket-build-guide/build.scrbl
index bb1ec02f8f..6143fb1b12 100644
--- a/pkgs/racket-build-guide/build.scrbl
+++ b/pkgs/racket-build-guide/build.scrbl
@@ -53,7 +53,7 @@ several options:
    @secref["quick-in-place"] for more instructions.}
 
  @item{@bold{Unix-style install} --- This mode installs to a given
-   destination directory (on platforms other Windows), leaving no
+   destination directory (on platforms other than Windows), leaving no
    reference to the source directory. This is the most natural mode
    for installing once from the source repository. See
    @secref["quick-unix-style"] for more instructions.}