formatted changed w/ linter

Author: Whitecx

doc/api/buffer.md

@@ -1393,7 +1393,7 @@ appropriate for `Buffer.from()` variants.
 [`Buffer.from(string)`][] may also use the internal `Buffer` pool like
 [`Buffer.allocUnsafe()`][] does.
 
-##. Static method: `Buffer.isBuffer(obj)`
+\##. Static method: `Buffer.isBuffer(obj)`
 
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