Update topics with sentence cases

library-templates/generated-connector-template/files/examples/README.md

@@ -10,7 +10,7 @@ The `ballerinax/{{MODULE_NAME_CC}}` connector provides practical examples illust
 
 [//]: # (TODO: Add prerequisites)
 
-## Running an Example
+## Running an example
 
 Execute the following commands to build an example from the source:
 
@@ -26,7 +26,7 @@ Execute the following commands to build an example from the source:
     bal run
     ```
 
-## Building the Examples with the Local Module
+## Building the examples with the local module
 
 **Warning**: Due to the absence of support for reading local repositories for single Ballerina files, the Bala of the module is manually written to the central repository as a workaround. Consequently, the bash script may modify your local Ballerina repositories.