fix typo

HosseinAgha · kay-kim · commit a1d5c5b23dd0 · 2018-08-15T17:06:09.000-04:00
diff --git a/source/core/transactions.txt b/source/core/transactions.txt
@@ -213,7 +213,7 @@ Retry Commit Operation
 ~~~~~~~~~~~~~~~~~~~~~~
 
 The commit operations are :doc:`retryable write operations
-</core/retryable-writes>`. If the commit operation operation encounters
+</core/retryable-writes>`. If the commit operation encounters
 an error, MongoDB drivers retry the operation a single time regardless
 of whether :urioption:`retryWrites` is set to ``true``.
 
