Merge pull request #380 from korzhenevski/patch-1

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Author: yurymalkov

README.md

@@ -317,7 +317,8 @@ To run test **with** updates (from `build` directory)
 - Visual search engine for 1M amazon products (MXNet + HNSW): [website](https://thomasdelteil.github.io/VisualSearch_MXNet/), [code](https://github.com/ThomasDelteil/VisualSearch_MXNet), demo by [@ThomasDelteil](https://github.com/ThomasDelteil)
 
 ### References
-
+HNSW paper:
+```
 @article{malkov2018efficient,
   title={Efficient and robust approximate nearest neighbor search using hierarchical navigable small world graphs},
   author={Malkov, Yu A and Yashunin, Dmitry A},
@@ -328,3 +329,6 @@ To run test **with** updates (from `build` directory)
   year={2018},
   publisher={IEEE}
 }
+```
+
+The update algorithm supported in this repository is to be published in "Dynamic Updates For HNSW, Hierarchical Navigable Small World Graphs" US Patent 15/929,802 by Apoorv Sharma, Abhishek Tayal and Yury Malkov.

TESTING_RECALL.md

@@ -27,7 +27,7 @@ max_elements defines the maximum number of elements that can be stored in the st
 
 ### measuring recall example
 
-```
+```python
 import hnswlib
 import numpy as np