Update file TS-0041-oneM2M-SensorThings_interworking.md

TS-0041-oneM2M-SensorThings_interworking.md

@@ -196,9 +196,9 @@ In order to enable interworking, preparation is needed in both oneM2M-CSE and OG
 
 **Figure 6.3.0-1: Both sides of the IPE configuration** 
 
-### 6.3.1 Configuration necessary on the OGC/STA Server side
+### 6.3.1 Configuration of OGC/STA Server side
 
-#### 6.3.1.0 Configuration necessary on the OGC/STA Server
+#### 6.3.1.0 Overview
 
 Both directions of the data flow between OGC/STA server and the IPE need their own configuration steps.