Minor changes to README and env.sh.example (#124)

diff --git a/README.md b/README.md
index b7f1110..fb8cea4 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,10 @@
    Accumulo has an [accumulo-client.properties] in `conf/` that must be configured as
    the examples will use this file to connect to your instance.
 
-3. Review [env.sh.example] in to see if you need to customize it. If `ACCUMULO_HOME` & `HADOOP_HOME`
-   are set in your shell, you may be able skip this step. Make sure `ACCUMULO_CLIENT_PROPS` is
-   set to the location of your [accumulo-client.properties].
+3. Review [env.sh.example] and [accumulo-env.sh] (within your accumulo installation) to see if you 
+   need to customize them. If `ACCUMULO_HOME` & `HADOOP_HOME` are set in your shell, you may be 
+   able skip this step. Make sure `ACCUMULO_CLIENT_PROPS` is set to the location of your 
+   [accumulo-client.properties].
 
         cp conf/env.sh.example conf/env.sh
         vim conf/env.sh
@@ -110,6 +111,7 @@
 
 [quickstart]: https://accumulo.apache.org/docs/2.x/getting-started/quickstart
 [accumulo-client.properties]: https://accumulo.apache.org/docs/2.x/configuration/files#accumulo-clientproperties
+[accumulo-env.sh]: https://accumulo.apache.org/docs/2.x/configuration/files#accumulo-envsh
 [env.sh.example]: conf/env.sh.example
 [manual]: https://accumulo.apache.org/latest/accumulo_user_manual/
 [batch]: docs/batch.md
diff --git a/conf/env.sh.example b/conf/env.sh.example
index c6aab8f..ec42633 100644
--- a/conf/env.sh.example
+++ b/conf/env.sh.example
@@ -31,7 +31,7 @@
 # ===============
 # Versions set below will be what is included in the shaded jar
 export ACCUMULO_VERSION="`$ACCUMULO_HOME/bin/accumulo version`"
-export HADOOP_VERSION="`hadoop version | head -n1 | awk '{print $2}'`"
+export HADOOP_VERSION="`$HADOOP_HOME/bin/hadoop version | head -n1 | awk '{print $2}'`"
 export ZOOKEEPER_VERSION=3.7.0
 # Path to shaded test jar
 ex_home=$( cd "$( dirname "$conf_dir" )" && pwd )