clarify verb definition in default config
@@ -166,6 +166,11 @@ execution = ":parent"
#####################
# user defined verbs:
+# If $EDITOR isn't set on your computer, you should either set it
+# or just replace it with your editor of choice in the 'execution'
+# pattern.
+# Example:
+# execution = "/usr/bin/nvim {file}"
[[verbs]]
invocation = "edit"
shortcut = "e"
