diff --git a/src/Ensure.hpp b/src/Ensure.hpp
index 6235f73..afdcc5e 100644
--- a/src/Ensure.hpp
+++ b/src/Ensure.hpp
@@ -13,6 +13,8 @@
         throw ArbUt::__ErrorHelpers::CreateEnsureError(#expr, std::source_location::current());                        \
     }
 
+/// @brief Ensures two expressions are equal. Throws an exception if the assertion fails.
+/// @ingroup Ensure
 #define EnsureEquals(a, b)                                                                                             \
     if ((a) != (b)) {                                                                                                  \
         std::stringstream error_ss;                                                                                    \
@@ -20,6 +22,8 @@
         throw ArbUt::__ErrorHelpers::CreateEnsureError(error_ss.str().c_str(), std::source_location::current());       \
     }
 
+/// @brief Ensures a is greater than b. Throws an exception if the assertion fails.
+/// @ingroup Ensure
 #define EnsureGreater(a, b)                                                                                            \
     if ((a) <= (b)) {                                                                                                  \
         std::stringstream error_ss;                                                                                    \
@@ -27,6 +31,8 @@
         throw ArbUt::__ErrorHelpers::CreateEnsureError(error_ss.str().c_str(), std::source_location::current());       \
     }
 
+/// @brief Ensures a is greater or equals to b. Throws an exception if the assertion fails.
+/// @ingroup Ensure
 #define EnsureGreaterOrEquals(a, b)                                                                                    \
     if ((a) < (b)) {                                                                                                   \
         std::stringstream error_ss;                                                                                    \
@@ -34,6 +40,8 @@
         throw ArbUt::__ErrorHelpers::CreateEnsureError(error_ss.str().c_str(), std::source_location::current());       \
     }
 
+/// @brief Ensures a is less than b. Throws an exception if the assertion fails.
+/// @ingroup Ensure
 #define EnsureLess(a, b)                                                                                               \
     if ((a) >= (b)) {                                                                                                  \
         std::stringstream error_ss;                                                                                    \
@@ -41,6 +49,8 @@
         throw ArbUt::__ErrorHelpers::CreateEnsureError(error_ss.str().c_str(), std::source_location::current());       \
     }
 
+/// @brief Ensures a is less than or equals to b. Throws an exception if the assertion fails.
+/// @ingroup Ensure
 #define EnsureLessOrEquals(a, b)                                                                                       \
     if ((a) > (b)) {                                                                                                   \
         std::stringstream error_ss;                                                                                    \