DOC issue 54822: per @DavidToneian recommendation, I used a specific … (pandas-dev#54859)

DOC issue 54822: per @DavidToneian recommendation, I used a specific version of the wikipedia source page for the example of reading HTML content.

Author: idealcrouch

doc/source/user_guide/io.rst

@@ -2619,7 +2619,7 @@ columns to strings.
 
 .. code-block:: python
 
-   url_mcc = "https://en.wikipedia.org/wiki/Mobile_country_code"
+   url_mcc = "https://en.wikipedia.org/wiki/Mobile_country_code?oldid=899173761"
    dfs = pd.read_html(
        url_mcc,
        match="Telekom Albania",