Update docs/userguide/glossary.rst

Co-authored-by: Daniel S. Katz <[email protected]>

docs/userguide/glossary.rst

@@ -12,7 +12,7 @@ Our glossary is organized alphabetically in English. Feel free to contribute ter
 **App:**
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-In Parsl, an app is like a small, self-contained program that does a specific job. It's a piece of code, like a Python function or a Bash script, that you can run separately from your main program. Think of it as a mini-tool within your larger toolbox.
+In Parsl, an app is a small, self-contained program that does a specific job. It's a piece of code, such as a Python function or a Bash script, that can run separately from your main program. Think of it as a mini-tool within your larger toolbox.
 
 .. _appfutureglossary: