Fix comment typo
diff --git a/Modules/rotatingtree.h b/Modules/rotatingtree.h
index 97cc8e8..3aa0986 100644
--- a/Modules/rotatingtree.h
+++ b/Modules/rotatingtree.h
@@ -4,7 +4,7 @@
*
* It's a dict-like data structure that works best when accesses are not
* random, but follow a strong pattern. The one implemented here is for
- * accesses patterns where the same small set of keys is looked up over
+ * access patterns where the same small set of keys is looked up over
* and over again, and this set of keys evolves slowly over time.
*/