Fix documentation link typo

https://incubator.apacehhe.org -> https://incubator.apache.org
diff --git a/README.md b/README.md
index 5b2ab4a..151d203 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,6 @@
 To learn more about Wave and the Wave Protocols:
 ------
 1. Subscribe to the wave-dev mailing list, find instructions at http://incubator.apache.org/wave/mailing-lists.html.
-2. Take a look at the developer docs at https://incubator.apaceh.org/wave/documentation.html
+2. Take a look at the developer docs at https://incubator.apache.org/wave/documentation.html
 3. Visit the Apache Wave wiki at https://cwiki.apache.org/confluence/display/WAVE/Home.