Update rate-limiting.mdx

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Author: max-crawford

snippets/rate-limiting.mdx

@@ -1,6 +1,6 @@
 ## API rate limits
 
-You can access all of Hiro's API services without an API key, but you are subject to rate limits of 25 RPM, per client IP. To build with higher rate limits, you can generate a free API key in the Hiro Platform that as a default is set to the free "starter" plan, and you can upgrade your account to a [higher tier](https://www.hiro.so/pricing) as needed:
+You can access all of Hiro's API services without an API key, but you are subject to rate limits of 25 RPM, per client IP. To build with higher rate limits, you can generate a free API key in the Hiro Platform that is set to the free "starter" plan as a default, and you can upgrade your account to a [higher tier](https://www.hiro.so/pricing) as needed:
 
 | Tiers          | API RPM | Stacks L2 requests / month | Bitcoin L1 requests / month |
 |:---------------|:--------|:---------------------------|:----------------------------|