Update README.md

README.md

@@ -53,17 +53,14 @@ bytes.byteLength
 // 17
 ```
 
-> [!CAUTION]
-> By default `BufferFormat.encode(…)` optimizes performance and memory by
-> encoding data to a shared buffer, and returning a `Uint8Array` pointer
-> to the encoded bytes.
+> [!WARNING]
+> **Safe mode:** `encode(…)` optimizes performance and memory by encoding bytes
+> into a shared buffer, and returning a `Uint8Array` pointer. Subsequent calls
+> are destructive and unsuitable for asyncronous workflows (e.g. Promises, Web Workers).
 >
-> Subsequent calls to `encode(…)` are destructive, so this would be
-> unsuitable for asyncronous usage (e.g. Promises, Web Workers).
-> `encode(…)` returns an unsafe `Uint8Array` view of the shared encoding buffer.
->
-> Call `encode({ … }, true)` to copy bytes to a safe buffer on encode, or set
-> `setTinybufConfig({ safe: true })` (but be mindful of memory fragmentation).
+> Enable safe encode to automatically copy bytes to a safe buffer instead:
+> - `myFormat.encode({ /*…*/ }, true )`
+> - `setTinybufConfig({ safe: true })`
 
 #### Decode