doc: Updates to nrf_modem and socket header files

Updates to nrf_modem and socket header files
to improve modem library "limits" documentation

Signed-off-by: divya pillai <[email protected]>

Author: divipillai

nrf_modem/include/nrf_modem.h

@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 /**
- * @defgroup nrf_modem_limits Limits of the Modem library.
+ * @defgroup nrf_modem_limits Limits of the Modem library
  * @ingroup nrf_modem
  * @{
  * @brief Modem library constants.
@@ -69,7 +69,7 @@ extern "C" {
 /** @} */
 
 /**
- * @defgroup nrf_modem_shmem_config Shared memory configuration.
+ * @defgroup nrf_modem_shmem_config Shared memory configuration
  *           Only the lower 128k of RAM may be shared with the modem core.
  *
  * @ingroup nrf_modem

nrf_modem/include/nrf_socket.h

@@ -51,10 +51,13 @@ extern "C" {
 #endif
 
 /**
- * @brief Maximum number of IP sockets.
  * @addtogroup nrf_modem_limits
+ * @{
  */
+
+ /** @brief Maximum number of IP sockets. */
 #define NRF_MODEM_MAX_SOCKET_COUNT 8
+/** @} */
 
 /**
  * @addtogroup nrf_socket_address_resolution
@@ -103,7 +106,7 @@ extern "C" {
  */
 
 /**
- * @defgroup nrf_socket_families Socket family.
+ * @defgroup nrf_socket_families Socket family
  * @{
  */
 /** Unspecified address family */
@@ -117,7 +120,7 @@ extern "C" {
 /** @} */
 
 /**
- * @defgroup nrf_socket_types Socket type.
+ * @defgroup nrf_socket_types Socket type
  * @{
  */
 /** TCP socket type. */