05-merging-data.md: use proper file name

NPalopoli · maxim-belkin · commit 372d2b0fdd0b · 2018-11-25T06:33:52.000Z
Pull Request: #343
diff --git a/_episodes/05-merging-data.md b/_episodes/05-merging-data.md
@@ -407,7 +407,7 @@ The pandas `merge` function supports two other join types:
 
 > ## Challenge - Diversity Index
 >
-> 1. In the data folder, there is a plot `CSV` that contains information about the
+> 1. In the data folder, there is a `plots.csv` file that contains information about the
 >    type associated with each plot. Use that data to summarize the number of
 >    plots by plot type.
 > 2. Calculate a diversity index of your choice for control vs rodent exclosure

Original file line number	Diff line number	Diff line change
@@ -407,7 +407,7 @@ The pandas `merge` function supports two other join types:
`407`	`407`
`408`	`408`	`> ## Challenge - Diversity Index`
`409`	`409`	`>`
`410`		-> 1. In the data folder, there is a plot `CSV` that contains information about the
	`410`	+> 1. In the data folder, there is a `plots.csv` file that contains information about the
`411`	`411`	`> type associated with each plot. Use that data to summarize the number of`
`412`	`412`	`> plots by plot type.`
`413`	`413`	`> 2. Calculate a diversity index of your choice for control vs rodent exclosure`