DOC: Add the reference to Styler.where on api.rst

Licht-T · Licht-T · commit 781337c92a40 · 2017-09-10T23:47:51.000+09:00
diff --git a/doc/source/api.rst b/doc/source/api.rst
@@ -2062,6 +2062,7 @@ Style Application
 
    Styler.apply
    Styler.applymap
+   Styler.where
    Styler.format
    Styler.set_precision
    Styler.set_table_styles
