Update README.md

Xinyun Huang · Xinyun Huang · commit 1cb181e71c9b · 2015-08-03T15:14:47.000-07:00
diff --git a/README.md b/README.md
@@ -44,7 +44,7 @@ $ mvn clean install
 
 First, add the path of spark-hbase jar to the hbase-env.sh in $HBASE_HOME/conf directory, as follows:
 ```
-HBASE_CLASSPATH=$SPARK_CLASSPATH:/spark-hbase-root-dir/target/spark-sql-on-hbase-1.0.0.jar
+HBASE_CLSSPATH=$HBASE_CLSSPATH:/spark-hbase-root-dir/target/spark-sql-on-hbase-1.0.0.jar
 ```
 Then, register the coprocessor service 'CheckDirEndPoint' to hbase-site.xml in the same directory, as follows:
 ```
