Tweak wording

Author: bbatsov

doc/modules/ROOT/pages/debugging/inspector.adoc

@@ -59,7 +59,7 @@ You'll have access to additional keybindings in the inspector buffer
 | Set a new maximum length above which nested atoms (non-collections) are truncated
 
 | kbd:[d]
-| Defines a var in the REPL namespace with current inspector value. If you tend to always choose the same name, you may want to set the `cider-inspector-preferred-var-names` customization option.
+| Defines a var in the REPL namespace with current inspector value. If you tend to always choose the same name(s), you may want to set the `cider-inspector-preferred-var-names` customization option.
 |===
 
 == Configuration