Improve SASL support disclosure visibility (#378)

Author: Ryan P

README.md

@@ -192,6 +192,11 @@ See the [examples](examples) directory for more examples, including [how to conf
 Install
 =======
 
+**NOTE:** The pre-built Linux wheels do NOT contain SASL Kerberos/GSSAPI support.
+          If you need SASL Kerberos/GSSAPI support you must install librdkafka and
+          its dependencies using the repositories below and then build
+          confluent-kafka from source.
+
 **Install self-contained binary wheels for OSX and Linux from PyPi:**
 
     $ pip install confluent-kafka
@@ -204,6 +209,7 @@ Install
 
     $ pip install --no-binary :all: confluent-kafka
 
+
 For source install, see *Prerequisites* below.
 
 
@@ -236,7 +242,7 @@ Prerequisites
  * Python >= 2.7 or Python 3.x
  * [librdkafka](https://github.com/edenhill/librdkafka) >= 0.9.5 (latest release is embedded in wheels)
 
-librdkafka is embedded in the macosx manylinux wheels, for other platforms or
+librdkafka is embedded in the macosx manylinux wheels, for other platforms, SASL Kerberos/GSSAPI support or
 when a specific version of librdkafka is desired, following these guidelines:
 
   * For **Debian/Ubuntu** based systems, add this APT repo and then do `sudo apt-get install librdkafka-dev python-dev`:
@@ -247,11 +253,6 @@ http://docs.confluent.io/current/installation.html#rpm-packages-via-yum
 
  * On **OSX**, use **homebrew** and do `brew install librdkafka`
 
-**NOTE:** The pre-built Linux wheels do NOT contain SASL Kerberos support.
-          If you need SASL Kerberos support you must install librdkafka and
-          its dependencies using the above repositories and then build
-          confluent-kafka from source.
-
 
 Build
 =====