DOC: use anchor ref in what's new for excel style (#16068)

jnothman · jorisvandenbossche · commit 420baad42f6f · 2017-04-20T14:59:05.000+02:00
diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
@@ -430,7 +430,7 @@ For example, after running the following, ``styled.xlsx`` renders as below:
     import os
     os.remove('styled.xlsx')
 
-See the :ref:`Style documentation <style.ipynb>` for more detail.
+See the :ref:`Style documentation <style.ipynb#Export-to-Excel>` for more detail.
 
 .. _whatsnew_0200.enhancements.intervalindex:
 
