fix a link

SarahAlidoost · SarahAlidoost · commit 85fddd9aa270 · 2020-08-06T17:28:44.000+02:00
diff --git a/_extras/about.md b/_extras/about.md
@@ -120,7 +120,8 @@ and cite ESMValTool and ESMValCore software as:
   copyright = {Apache License 2.0}
 }
 
-See additional resources at https://www.esmvaltool.org/references.html.
+See additional resources at
+[https://www.esmvaltool.org/references.html](https://www.esmvaltool.org/references.html).
 
 The technical development work for ESMValTool v2.0 was funded by
 [various projects](https://www.esmvaltool.org/acknowledgements.html).

Original file line number	Diff line number	Diff line change
`@@ -120,7 +120,8 @@ and cite ESMValTool and ESMValCore software as:`
`120`	`120`	`copyright = {Apache License 2.0}`
`121`	`121`	`}`
`122`	`122`
`123`		`-See additional resources at https://www.esmvaltool.org/references.html.`
	`123`	`+See additional resources at`
	`124`	`+[https://www.esmvaltool.org/references.html](https://www.esmvaltool.org/references.html).`
`124`	`125`
`125`	`126`	`The technical development work for ESMValTool v2.0 was funded by`
`126`	`127`	`[various projects](https://www.esmvaltool.org/acknowledgements.html).`