#11515: fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Parser/spark.py b/Parser/spark.py
index 7772b6e..88c1a89 100644
--- a/Parser/spark.py
+++ b/Parser/spark.py
@@ -23,7 +23,7 @@
 
 import re
 
-# Compatability with older pythons.
+# Compatibility with older pythons.
 def output(string='', end='\n'):
     sys.stdout.write(string + end)