docs: Fixed text wrap consistency and added full stop.

Signed-off-by: Jesse Visser <jssvssr2000@gmail.com>

docs/extra-build-config.md

@@ -387,14 +387,16 @@ So we have to explicitly enable it in local.conf.
 
     RASPBERRYPI_CAMERA_V2 = "1"
 
-This will add the device tree overlay imx219 ( Raspberry Pi Camera Module V2 sensor driver ) to config.txt.
-Also, this will enable adding Contiguous Memory Allocation value in the cmdline.txt.
+This will add the device tree overlay imx219 ( Raspberry Pi Camera Module V2 sensor driver 
+) to config.txt. Also, this will enable adding Contiguous Memory Allocation value in the 
+cmdline.txt.
 
 Similarly, the Raspberry Pi Camera Module v3 also has to be explicitly enabled in local.conf.
 
     RASPBERRYPI_CAMERA_V3 = "1"
 
-This will add the device tree overlay imx708 ( Raspberry Pi Camera Module V3 sensor driver ) to config.txt
+This will add the device tree overlay imx708 ( Raspberry Pi Camera Module V3 sensor driver ) 
+to config.txt.
 
 See:
 * <https://www.raspberrypi.com/documentation/computers/camera_software.html>