Update pages/home/glossary.mdx

Co-authored-by: Nate Barbettini <nate@arcade.dev>

Author: evantahler

pages/home/glossary.mdx

@@ -20,7 +20,7 @@ An 'agent' is the application you are building.  It can be a chatbot, a web appl
 
 ### Tool
 
-A 'tool' is a function that can be called by an agent which interacts with another service - commonly via an API, filesystem, database etc.  Tools are written in python and deployed by running a worker which contains the toolkit's code.  Tools are defined by the `@tool()` decorator and will be passed `ToolContext` as the first argument.  If a tool has dependencies that are not met (a secret is not provided, for example), the tool will fail to execute.
+A 'tool' is a function that can be called by an agent which performs some action - commonly via an API, filesystem, database, etc.  Tools are written in python and deployed by running a worker which contains the toolkit's code.  Tools are defined by the `@tool()` decorator and will be passed `ToolContext` as the first argument.  If a tool has dependencies that are not met (a secret is not provided, for example), the tool will fail to execute.
 
 An example of a tool, scoped by it's toolkit would be `Gmail.SendEmail`.