Potential Incorrect Diagram Label for Write-Through Caching

[grandmasteri]

First off, I just want to echo the sentiments of #1: this system design resource has been very helpful for me in preparing for interviews. Thanks a ton @karanpratapsingh for putting this together.

While I was going through the Caching section, I noticed that the diagram for write-through caching seemed to have the wrong label for the arrow between the client and cache. Instead of "read" it seems like it should be "write".

I can submit a PR to update the diagram but since I am an early student of system design currently I wanted to confirm my understanding before doing so. Is my understanding correct here?

[stale]

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