INSTALL.md: refer to as Cygwin

Replacing `cygwin`.

Closes #21179

diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index 5040de01a234454615fe2f772c5ca20520dbb114..619df5cc89e526e7f01fd2561aba9301fca9dc27 100644 (file)
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -237,16 +237,16 @@ Almost identical to the Unix installation. Download the `curl` source code,
 then essentially run the configure script in the curl source tree root with
 `sh configure`, then run `make`.
 
-To expand on building with `cygwin` first ensure it is in your path, and
+To expand on building with Cygwin first ensure it is in your path, and
 there are no conflicting tools (*i.e. Chocolatey with sed package*). If so
-move `cygwin` ahead of any items in your path that would conflict with
-`cygwin` commands, making sure you have the `sh` executable in `/bin/` or
+move Cygwin ahead of any items in your path that would conflict with
+Cygwin commands, making sure you have the `sh` executable in `/bin/` or
 you see the configure fail toward the end.
 
-Download the setup installer from [`cygwin`](https://cygwin.com/) to begin.
-Additional `cygwin` packages are needed for the install. For more on
+Download the setup installer from [Cygwin](https://cygwin.com/) to begin.
+Additional Cygwin packages are needed for the install. For more on
 installing packages visit
-[`cygwin setup`](https://cygwin.com/faq/faq.html#faq.setup.cli).
+[Cygwin Setup](https://cygwin.com/faq/faq.html#faq.setup.cli).
 
 Either run `setup-x86_64.exe`, then search and select packages individually,
 or try:
@@ -254,7 +254,7 @@ or try:
     setup-x86_64.exe --no-admin -q -I -P binutils,gcc-core,libpsl-devel,libtool,perl,make
 
 Expand the below details to show the list of required packages for a
-successful `cygwin` install:
+successful Cygwin install:
 
 <details>
     <summary>Package List</summary>
@@ -295,10 +295,10 @@ curl from the source code:
 
 - Use `cmake` to configure and/or build
 - Use `ninja` to build (***much** faster*)
-- Reinstalling the required `cygwin` packages from the list above without
+- Reinstalling the required Cygwin packages from the list above without
   passing `-I` to `setup-x86_64`
-- Temporarily move `cygwin` to the top of your path
-- Install all of the `cygwin` build packages using
+- Temporarily move Cygwin to the top of your path
+- Install all of the Cygwin build packages using
   `setup-x86_64 --build-depends curl`
 
 ## MS-DOS