Update RELEASE.md, fix a typo (#2564)

diff --git a/RELEASE.md b/RELEASE.md
index f30bcb8..8d9a6ea 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,7 +1,7 @@
 Releasing
 ========
 
- 1. Change the version in top level `gradle.properties` to a non-SNAPSHOT verson.
+ 1. Change the version in top level `gradle.properties` to a non-SNAPSHOT version.
  2. Update the `CHANGELOG.md` for the impending release.
  3. Update the `README.md` with the new version.
  4. `git commit -am "Prepare for release X.Y.Z"` (where X.Y.Z is the new version)