Minor doc updates from review comments

Co-authored-by: Archit Gupta <[email protected]>

Author: aggarw13

docs/doxygen/pages.dox

@@ -62,8 +62,8 @@ every path of execution and achieve 100% branch coverage.
 */
 
 /**
-@page backoff_algorithm_example Code Example of backoffAlgorithm API
-@brief Example POSIX application of retrying DNS resolution operation with exponential backoff-and-jitter with the backoffAlgorithm library.
+@page backoff_algorithm_example Code Example for backoffAlgorithm API
+@brief Example POSIX application that retries DNS resolution operation with exponential backoff-and-jitter using the backoffAlgorithm library.
 
 @include backoff_algorithm_posix.c 
  */
@@ -74,7 +74,7 @@ every path of execution and achieve 100% branch coverage.
 @subpage define_backoffalgorithm_initializeparams <br>
 @subpage define_backoffalgorithm_getnextbackoff <br>
 
-<b>For a code example </b> of using backoffAlgorithm library for retrying operation with exponential back-off and jitter, refer to @ref backoff_algorithm_example.
+<b>For a code example </b> of using backoffAlgorithm library for retrying operations with exponential back-off and jitter, refer to @ref backoff_algorithm_example.
 
 @page define_backoffalgorithm_initializeparams BackoffAlgorithm_InitializeParams
 @snippet backoff_algorithm.h define_backoffalgorithm_initializeparams