Update the explanation about 'when' option

website/docs/language/resources/provisioners/local-exec.mdx

@@ -57,11 +57,10 @@ The following arguments are supported:
 * `environment` - (Optional) block of key value pairs representing the
   environment of the executed command. inherits the current process environment.
 
-* `when` - (Optional) If provided, specifies the timing when the command will
-  be executed. If `when = destroy` is specified, the provisioner will run when
-  the resource it is defined within is destroyed. See
-  [Destroy-Time Provisioners](/language/resources/provisioners/syntax#destroy-time-provisioners)
-  for more details.
+* `when` - (Optional) If provided, specifies Terraform will execute the command.
+  For example, `when = destroy` specifies that the provisioner will run when the associated resource
+  is destroyed. Refer to [Destroy-Time Provisioners](/language/resources/provisioners/syntax#destroy-time-provisioners)
+  for details.
 
 ### Interpreter Examples