SERVER-31047 Rollback properly removes redundant index operations

1 files changed, 3 insertions, 4 deletions

diff --git a/src/mongo/db/repl/rs_rollback.h b/src/mongo/db/repl/rs_rollback.h
index 265e3104a62..fade3074331 100644
--- a/src/mongo/db/repl/rs_rollback.h
+++ b/src/mongo/db/repl/rs_rollback.h
@@ -312,10 +312,9 @@ struct FixUpInfo {
     void removeRedundantOperations();
 
     /**
-     * Removes any redundant index commands. An example is if we create
-     * an index with name "a_1" and then later proceed to drop that index.
-     * We return true if a redundant index command was found and false
-     * if it was not.
+     * Removes any redundant index commands. For example, if we create an index with name "a_1" and
+     * then later proceed to drop that index, we can ignore the first index creation. We return true
+     * if a redundant index command was removed and false if it was not.
      */
     bool removeRedundantIndexCommands(UUID uuid, std::string indexName);