Update report.md

community-contributions/KPI 11.4 - Research Max Validator Change/report.md

@@ -38,7 +38,7 @@ The biggest spikes were:**
 
 7) What happened to the average block time, and blocks per era and session/epoch?  
   **The average block time increased from 6s to 7s between [11-07-21- 12-07-21].
-  The max block time changed a bit (from 30s to 18) until 21-02-21, after that it stay the same 24s until 02-03-21, ending at 18s. **
+  The max block time changed a bit (from 30s to 18) until 21-02-21, after that it stay the same 24s until 02-03-21, ending at 18s.**
 ![Block Time by Date](https://user-images.githubusercontent.com/7486476/110229356-c2365400-7f00-11eb-90c9-c89a176c061c.png)
 
 **The number of blocks in a era has decrease between [07-02-21-10-02-10] but it went almost back to normal in the end of the measure period.**