spelling: case-insensitive

Signed-off-by: Josh Soref <[email protected]>

Author: jsoref

README.md

@@ -253,7 +253,7 @@ const { data: app } = await requestWithAuth(
       String
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-      Any supported <a href="https://developer.github.com/v3/#http-verbs">http verb</a>, case insensitive. <em>Defaults to <code>Get</code></em>.
+      Any supported <a href="https://developer.github.com/v3/#http-verbs">http verb</a>, case-insensitive. <em>Defaults to <code>Get</code></em>.
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