add another split words example (#6394)

crates/nu-command/src/strings/split/words.rs

@@ -71,6 +71,12 @@ impl Command for SubCommand {
                     span: Span::test_data(),
                 }),
             },
+            Example {
+                description:
+                    "A real-world example of splitting words",
+                example: "fetch https://www.gutenberg.org/files/11/11-0.txt | str downcase | split words -l 2 | uniq -c | sort-by count --reverse | first 10",
+                result: None,
+            },
         ]
     }