Fixes small typo in main branch of IR docs

Author: Steven Smith

modules/applications-create-using-cli-modify.adoc

@@ -214,7 +214,7 @@ $ oc new-app --search php
 
 To set the import mode when using `oc new-app`, add the `--import-mode` flag. This flag can be appended with `Legacy` or `PreserveOriginal`, which provides users the option to create image streams using a single sub-manifest, or all manifests, respectively. 
 
-[souce,terminal]
+[source,terminal]
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 $ oc new-app --image=registry.redhat.io/ubi8/httpd-24:latest  --import-mode=Legacy --name=test
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