Apply suggestions from code review

Co-authored-by: Néda <[email protected]>

Author: bene2k1

pages/dedibox-network/troubleshooting/network-troubleshooting.mdx

@@ -59,7 +59,7 @@ sudo yum install mtr
 2. Extract the archive and run the executable.
 3. Enter the target IP in the **Host** text box, then click **Start**. Wait one or two minutes before stopping the test. You can take a screenshot or export the results using the software's built-in functions.
 
-#### Example MTR test between a Scaleway Dedibox server and `free.fr`
+#### Example of an MTR test between a Scaleway Dedibox server and `free.fr`
 
 ```
 root@163-172-30-2:~# mtr --report free.fr
@@ -71,7 +71,7 @@ HOST: 163-172-30-2                Loss%   Snt   Last   Avg  Best  Wrst StDev
 ...
 ```
 
-**Key Metrics:**
+**Key metrics:**
 
 - **Loss%**: Percentage of lost packets
 - **Snt**: Number of packets sent (here, 10)
@@ -80,7 +80,7 @@ HOST: 163-172-30-2                Loss%   Snt   Last   Avg  Best  Wrst StDev
 - **Best**: Lowest recorded latency
 - **Wrst**: Highest recorded latency
 
-### iPerf Test
+### iPerf test
 
 An iPerf test helps measure the available bandwidth of your server.
 
@@ -125,7 +125,7 @@ TCP window size: 85.0 KByte (default)
     iperf3.exe -c ping.online.net -p 5203
     ```
 
-**Key Metrics:**
+**Key metrics:**
 
 - **Interval**: Sampling interval in seconds
 - **Transfer**: Amount of data transferred