fix(ins): typo

Author: bene2k1

pages/instances/reference-content/instances-datasheet.mdx

@@ -121,7 +121,7 @@ See below the technical specifications of POP2 Instances:
 
 \* Instances with dedicated vCPU do not share their compute resources with other Instances (1 vCPU = 1 CPU thread dedicated to that Instance). This type of Instance is particularly recommended for running production-grade compute-intensive applications.
 
-### Specialized Instances
+## Specialized Instances
 
 See below the technical specifications of Specialized Instances: