capitalization

Author: jpenilla

docs/misc/tools/diff-viewer.mdx

@@ -14,6 +14,6 @@ features useful for PaperMC and generally, such as special handling for second-o
 also built a browser extension for Firefox and Chrome to streamline opening GitHub diffs in the
 viewer.
 
-- https://patch-roulette.papermc.io/diff - The Diff Viewer itself
+- https://patch-roulette.papermc.io/diff - The diff viewer itself
 - [Chrome Extension](https://chromewebstore.google.com/detail/patch-roulette/feaaoepdocmiibjilhoahgldkaajfnhb)
 - [Firefox Extension](https://addons.mozilla.org/en-US/firefox/addon/patch-roulette/)