diff --git a/src/docs/user/field/performance.diviner b/src/docs/user/field/performance.diviner
--- a/src/docs/user/field/performance.diviner
+++ b/src/docs/user/field/performance.diviner
@@ -31,7 +31,7 @@
 However, some pages are slow because Phabricator legitimately needs to do a lot
 of work to generate them. For example, if you write a 100MB wiki document,
 Phabricator will need substantial time to process it, it will take a long time
-to download over the network, and your browser will proably not be able to
+to download over the network, and your browser will probably not be able to
 render it especially quickly.
 
 We may be able to improve perfomance in some cases, but Phabricator is not
diff --git a/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php b/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
--- a/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
+++ b/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
@@ -67,7 +67,7 @@
       $connection = $this->newBasicConnection($database, $mode, $namespace);
     }
 
-    // TODO: This should be testing if the mode is "r", but that would proably
+    // TODO: This should be testing if the mode is "r", but that would probably
     // break a lot of things. Perform a more narrow test for readonly mode
     // until we have greater certainty that this works correctly most of the
     // time.