sd: refresh page (tldr-pages#9595)

* Explicitly specify output stream:
- experimental format

* Fix file placeholder

* Quote command substitution

* Change the last example description

Author: Emily Grace Seville

pages/common/sd.md

@@ -3,18 +3,18 @@
 > Intuitive find & replace CLI.
 > More information: <https://github.com/chmln/sd>.
 
-- Trim some whitespace using a regular expression:
+- Trim some whitespace using a regular expression (output stream: `stdout`):
 
 `{{echo 'lorem ipsum 23   '}} | sd '\s+$' ''`
 
-- Replace words using capture groups:
+- Replace words using capture groups (output stream: `stdout`):
 
 `{{echo 'cargo +nightly watch'}} | sd '(\w+)\s+\+(\w+)\s+(\w+)' 'cmd: $1, channel: $2, subcmd: $3'`
 
-- Find and replace in a file printing the result to `stdout`:
+- Find and replace in a specific file (output stream: `stdout`):
 
-`sd -p {{'window.fetch'}} {{'fetch'}} {{http.js}}`
+`sd -p {{'window.fetch'}} {{'fetch'}} {{path/to/file.js}}`
 
-- Find and replace across a project changing each file in place:
+- Find and replace in all files in the current project (output stream: `stdout`):
 
-`sd {{'from "react"'}} {{'from "preact"'}} $(find . -type f)`
+`sd {{'from "react"'}} {{'from "preact"'}} "$(find . -type f)"`