add px link

ry-v1 · web-flow · commit b3876a57e9b5 · 2020-10-06T19:27:45.000+05:30
diff --git a/doc/python/pie-charts.md b/doc/python/pie-charts.md
@@ -304,4 +304,4 @@ fig.show()
 
 #### Reference
 
-See https://plotly.com/python/reference/pie/ for more information and chart attribute options!
+See [function reference for `px.pie()`](https://plotly.com/python-api-reference/generated/plotly.express.pie) or https://plotly.com/python/reference/pie/ for more information and chart attribute options!

Original file line number	Diff line number	Diff line change
`@@ -304,4 +304,4 @@ fig.show()`
`304`	`304`
`305`	`305`	`#### Reference`
`306`	`306`
`307`		`-See https://plotly.com/python/reference/pie/ for more information and chart attribute options!`
	`307`	+See [function reference for `px.pie()`](https://plotly.com/python-api-reference/generated/plotly.express.pie) or https://plotly.com/python/reference/pie/ for more information and chart attribute options!