Fix for YAML list lab (issue #98)

lessons/lesson-14/stage1/guide.md

@@ -30,7 +30,7 @@ yamlList = yaml.load(yamlFile)
 ```
 <button type="button" class="btn btn-primary btn-sm" onclick="runSnippetInTab('linux1', 1)">Run this snippet</button>
 
-At this point, `yamlDict` is a Python dictionary that contains the key-value pairs that were in our YAML file. We can start by checking this dictionary's length:
+At this point, `yamlList` is a Python list that contains values (in this case, strings) that were in our YAML file. We can start by checking this list's length:
 
 ```
 print("There are %d values in this YAML file" % len(yamlList))

lessons/lesson-14/stage1/list.yaml

@@ -1,5 +1,5 @@
 ---
-vendor: Juniper
-family: QFX
-model: 10k
-osversion: 15.1X53-D60.4
+- Juniper QFX
+- Juniper MX
+- Juniper EX
+- Juniper SRX