Update index.html.erb

source/playbook/index.html.erb

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       <h2 id="motivation">Why?</h2>
       <p>Why is the Playbook being created and shared now? There are three primary reasons:</p>
-<p>First, data interoperability remains a serious impediment to better and more affordable health care. Just four example studies as of 2024: 
+<p>First, data interoperability remains a serious impediment to better and more affordable health care. Four of may possible studies as of 2024 that demonstrate this: 
 <%= link_to("Delays in treatments of an average of a month", "https://ascopubs.org/doi/10.1200/JCO.2023.41.16_suppl.6561") %> can result from data sharing breakdowns associated with obtaining prior authorizations. 
 It takes an average of <%= link_to("17 years for research to reach clinical practice", "https://jamanetwork.com/journals/jama/article-abstract/2803716") %>. 
 It can take <%= link_to("3 years for public health data to be aggregated", "https://www.cdc.gov/national-program-cancer-registries/data-modernization/index.html") %> and available for broader use.