docs: Update grammer and semantics in file-watch.md (#19809)

Modify `defined` to `define`, the correct verb tense in the given context.
Specify `ignore` as an option for better clarity for first-time readers.

Author: eugengi

content/compose/file-watch.md

@@ -15,7 +15,7 @@ For many projects, this allows for a hands-off development workflow once Compose
 * Directories are watched recursively
 * Glob patterns aren't supported
 * Rules from `.dockerignore` apply
-  * Use `ignore` to defined additional paths to be ignored (same syntax)
+  * Use `ignore` option to define additional paths to be ignored (same syntax)
   * Temporary/backup files for common IDEs (Vim, Emacs, JetBrains, & more) are ignored automatically
   * `.git` directories are ignored automatically
 
@@ -41,7 +41,7 @@ Each rule requires, a `path` pattern and `action` to take when a modification is
 the `action`, additional fields might be accepted or required. 
 
 Watch mode can be used with many different languages and frameworks.
-The specific paths and rules will vary project to project, but the concepts remain the same. 
+The specific paths and rules will vary from project to project, but the concepts remain the same. 
 
 ### Prerequisites
 
@@ -175,4 +175,4 @@ We are actively looking for feedback on this feature. Give feedback or report an
 
 ## Reference
 
-- [Compose Develop Specification](compose-file/develop.md)
+- [Compose Develop Specification](compose-file/develop.md)