docs: Fix release note links (#4329)

website/content/docs/release-notes/v0_15_0.mdx

@@ -40,7 +40,7 @@ description: |-
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       A new command was added, <code>boundary search</code>. It allows you to search a local cache for information about session and target resources. The local cache helps prevent your system resources from being overwhelmed.
       <br /><br />
-      Learn more:&nbsp;<a href="/boundary/docs/commands/search/index"><code>boundary search</code></a> and <a href="/boundary/docs/api-clients/client-cache#boundary-list-vs-search"> Boundary <code>list</code> vs. <code>search</code></a>.
+      Learn more:&nbsp;<a href="/boundary/docs/commands/search"><code>boundary search</code></a> and <a href="/boundary/docs/api-clients/client-cache#boundary-list-vs-search"> Boundary <code>list</code> vs. <code>search</code></a>.
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@@ -51,7 +51,7 @@ description: |-
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       The Boundary client daemon now runs on end users' computers and locally caches session and target resource information from Boundary instances. The cache helps expedite searches.
       <br /><br />
-      Learn more:&nbsp;<a href="/boundary/docs/commands/daemon/index"><code>boundary daemon</code></a> and <a href="/boundary/docs/api-clients/client-cache">Client cache</a>
+      Learn more:&nbsp;<a href="/boundary/docs/commands/daemon"><code>boundary daemon</code></a> and <a href="/boundary/docs/api-clients/client-cache">Client cache</a>
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