Update install-mongodb-on-os-x.txt

andf-mongodb · kay-kim · commit 51b07763a304 · 2019-10-29T10:53:54.000-04:00
Correct small typo.
diff --git a/source/tutorial/install-mongodb-on-os-x.txt b/source/tutorial/install-mongodb-on-os-x.txt
@@ -164,7 +164,7 @@ Additional Considerations
 Troubleshooting ChecksumMismatchError
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-If you have previously installed an older version of the formual,
+If you have previously installed an older version of the formula,
 you may encounter a ChecksumMismatchError, as in the following
 example:
 
