Merge pull request #5 from rustls/faq

Add FAQ note about rebuilding

README.md

@@ -10,3 +10,15 @@ brew install rustls/tap/curl
 ```
 
 See also [Homebrew documentation for Taps](https://docs.brew.sh/Taps).
+
+## FAQ
+
+```
+cargo: error while loading shared libraries: librustls.so.0.14.0: cannot open shared object file: No such file or directory
+```
+
+In some cases you may need to manually rebuild your rustls-linked curl binary/library after updating the rustls-ffi package, this can be done with the following command. If you know of a way to have homebrew automatically detect this please let us know. ✨
+
+```
+brew reinstall rustls/tap/curl
+```