[hotfix] Update README.md building prerequisites

This closes apache#5924
deepfield · Apr 30, 2018 · ad7a4ac · ad7a4ac
1 parent bd8cb86
commit ad7a4ac
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -67,10 +67,10 @@ counts.writeAsCsv(outputPath)
 
 Prerequisites for building Flink:
 
-* Unix-like environment (We use Linux, Mac OS X, Cygwin)
+* Unix-like environment (we use Linux, Mac OS X, Cygwin)
 * git
 * Maven (we recommend version 3.2.5)
-* Java 8
+* Java 8 (Java 9 and 10 are not yet supported)
 
 ```
 git clone https://github.com/apache/flink.git