Fix typo

Peter9192 · sverhoeven · web-flow · commit fc891e712f4c · 2020-06-30T15:00:07.000+02:00
Co-authored-by: Stefan Verhoeven &lt;s.verhoeven@esciencecenter.nl&gt;
diff --git a/_episodes/01-introduction.md b/_episodes/01-introduction.md
@@ -91,7 +91,7 @@ ESMValTool is built and maintained by an active community of scientists and soft
 
 > ## Challenge: meet ESMValGroup
 >
-> Browse to [github.com/ESMValGroup](https://github.com/ESMValGroup). This is our 'organization' GitHub page. Have a look around. How many collaborators are there? Do you know any of them? You should see 2 main repositories: ESMValTool and ESMValCore. Visit each of the repositofires. How many people have contributed to each of them? Can you also find out how many people have contributed to this tutorial?
+> Browse to [github.com/ESMValGroup](https://github.com/ESMValGroup). This is our 'organization' GitHub page. Have a look around. How many collaborators are there? Do you know any of them? You should see 2 main repositories: ESMValTool and ESMValCore. Visit each of the repositories. How many people have contributed to each of them? Can you also find out how many people have contributed to this tutorial?
 >
 > > ## Solution
 > >

Original file line number	Diff line number	Diff line change
`@@ -91,7 +91,7 @@ ESMValTool is built and maintained by an active community of scientists and soft`
`91`	`91`
`92`	`92`	`> ## Challenge: meet ESMValGroup`
`93`	`93`	`>`
`94`		`-> Browse to [github.com/ESMValGroup](https://github.com/ESMValGroup). This is our 'organization' GitHub page. Have a look around. How many collaborators are there? Do you know any of them? You should see 2 main repositories: ESMValTool and ESMValCore. Visit each of the repositofires. How many people have contributed to each of them? Can you also find out how many people have contributed to this tutorial?`
	`94`	`+> Browse to [github.com/ESMValGroup](https://github.com/ESMValGroup). This is our 'organization' GitHub page. Have a look around. How many collaborators are there? Do you know any of them? You should see 2 main repositories: ESMValTool and ESMValCore. Visit each of the repositories. How many people have contributed to each of them? Can you also find out how many people have contributed to this tutorial?`
`95`	`95`	`>`
`96`	`96`	`> > ## Solution`
`97`	`97`	`> >`