[docs] add libevent dependency to build-osx.md

Author: jonasschnelli

doc/build-osx.md

@@ -32,7 +32,7 @@ Instructions: Homebrew
 
 #### Install dependencies using Homebrew
 
-        brew install autoconf automake berkeley-db4 libtool boost miniupnpc openssl pkg-config protobuf qt5
+        brew install autoconf automake berkeley-db4 libtool boost miniupnpc openssl pkg-config protobuf qt5 libevent
 
 NOTE: Building with Qt4 is still supported, however, could result in a broken UI. As such, building with Qt5 is recommended.
 

doc/release-notes.md

@@ -28,7 +28,7 @@ Then, to tunnel a SSL connection on 28332 to a RPC server bound on localhost on
 It can also be set up system-wide in inetd style.
 
 Another way to re-attain SSL would be to setup a httpd reverse proxy. This solution
-would allow the use of different authentication, loadbalancing, on-thy-fly compressing and
+would allow the use of different authentication, loadbalancing, on-the-fly compression and
 caching. A sample config for apache2 could look like:
 
     Listen 443