added refs to $(projection) in code comments

1 files changed, 3 insertions, 0 deletions

diff --git a/README.md b/README.md
index ce0c754..fa541eb 100644
--- a/README.md
+++ b/README.md
@@ -538,6 +538,9 @@ Queries
  *          -   {..., $or  : [subq1, subq2, ...] }
  *          Example: {z : 33, $and : [ {$or : [{a : 1}, {b : 2}]}, {$or : [{c : 5}, {d : 7}]} ] }
  *
+ *      - Mongodb $(projection) operator supported. (http://docs.mongodb.org/manual/reference/projection/positional/#proj._S_)
+ *
+ *
  *  - Queries can be used to update records:
  *       $set Field set operation.
  *           - {.., '$set' : {'field1' : val1, 'fieldN' : valN}}