diff --git a/docs.it4i/karolina/network.md b/docs.it4i/karolina/network.md
index 7981a2afe6709d7f7e91031ea0a5ab2009abfa59..f74d0accb6a26b126ebe5ceef9430d628e87f2a4 100644
--- a/docs.it4i/karolina/network.md
+++ b/docs.it4i/karolina/network.md
@@ -1,8 +1,8 @@
 # Network
 
-All of the compute and login nodes of Karolina are interconnected through an [InfiniBand][a] HDR 200 Gbps network and a Gigabit Ethernet network.
+All of the compute and login nodes of Karolina are interconnected through an [InfiniBand][a] HDR 200Gbps network and a gigabit ethernet network.
 
-The Compute network is configured as a non-blocking Fat Tree which consists of 60 x 40-ports Mellanox Quantum™ HDR switches (40 Leaf HDR switches and 20 Spine HDR switches).
+The compute network is configured as a non-blocking Fat Tree which consists of 60 x 40-ports Mellanox Quantum™ HDR switches (40 Leaf HDR switches and 20 Spine HDR switches).
 
 ![](img/compute_network_topology_v2.png)<br>*For a higher resolution, open the image in a new browser tab.*
 
@@ -11,7 +11,7 @@ Compute nodes and the service infrastructure is connected by the HDR100 technolo
 **The compute network has the following parameters**
 
 * 100Gbps
-* Latencies less than 10 microseconds (0.6 ÎĽs end-to-end, <90ns switch hop)
+* Latencies less than 10 microseconds (0.6ÎĽs end-to-end, <90ns switch hop)
 * Adaptive routing support
 * MPI communication support
 * IP protocol support (IPoIB)
@@ -19,8 +19,8 @@ Compute nodes and the service infrastructure is connected by the HDR100 technolo
 
 ## Mellanox Quantum™ QM8790 40-Ports Switch
 
-Mellanox provides the world’s smartest switch, enabling in-network computing through the Co-Design Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)™ technology.
-QM8790 has the highest fabric performance available in the market with up to 16Tb/s of non-blocking bandwidth with sub-130ns port-to-port latency
+[Mellanox][b] provides the world’s smartest switch, enabling in-network computing through the Co-Design Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)™ technology.
+QM8790 has the highest fabric performance available in the market with up to 16Tb/s of non-blocking bandwidth with sub-130ns port-to-port latency.
 
 **Performance**
 
@@ -43,3 +43,4 @@ QM8790 has the highest fabric performance available in the market with up to 16T
 * VL mapping (VL2VL)
 
 [a]: http://en.wikipedia.org/wiki/InfiniBand
+[b]: https://network.nvidia.com/files/doc-2020/pb-qm8790.pdf