diff --git a/src/api/z3_api.h b/src/api/z3_api.h
index 6e3ce57a1..7ba88a92d 100644
--- a/src/api/z3_api.h
+++ b/src/api/z3_api.h
@@ -4416,7 +4416,7 @@ extern "C" {
     bool Z3_API Z3_is_well_sorted(Z3_context c, Z3_ast t);
 
     /**
-       \brief Return Z3_L_TRUE if \c a is true, Z3_L_FALSE if it is false, and Z3_L_UNDEF otherwise.
+       \brief Return \c Z3_L_TRUE if \c a is true, \c Z3_L_FALSE if it is false, and \c Z3_L_UNDEF otherwise.
 
        def_API('Z3_get_bool_value', INT, (_in(CONTEXT), _in(AST)))
     */
@@ -6227,7 +6227,7 @@ extern "C" {
        The function #Z3_solver_get_model retrieves a model if the
        assertions is satisfiable (i.e., the result is \c
        Z3_L_TRUE) and model construction is enabled.
-       Note that if the call returns Z3_L_UNDEF, Z3 does not
+       Note that if the call returns \c Z3_L_UNDEF, Z3 does not
        ensure that calls to #Z3_solver_get_model succeed and any models
        produced in this case are not guaranteed to satisfy the assertions.
 
@@ -6269,7 +6269,7 @@ extern "C" {
        the current context implies that they are equal.
 
        A side-effect of the function is a satisfiability check on the assertions on the solver that is passed in.
-       The function return Z3_L_FALSE if the current assertions are not satisfiable.
+       The function return \c Z3_L_FALSE if the current assertions are not satisfiable.
 
        def_API('Z3_get_implied_equalities', INT, (_in(CONTEXT), _in(SOLVER), _in(UINT), _in_array(2, AST), _out_array(2, UINT)))
     */
@@ -6342,7 +6342,7 @@ extern "C" {
     Z3_ast_vector Z3_API Z3_solver_get_unsat_core(Z3_context c, Z3_solver s);
 
     /**
-       \brief Return a brief justification for an "unknown" result (i.e., Z3_L_UNDEF) for
+       \brief Return a brief justification for an "unknown" result (i.e., \c Z3_L_UNDEF) for
        the commands #Z3_solver_check and #Z3_solver_check_assumptions
 
        def_API('Z3_solver_get_reason_unknown', STRING, (_in(CONTEXT), _in(SOLVER)))
diff --git a/src/api/z3_fixedpoint.h b/src/api/z3_fixedpoint.h
index 393cba224..a256c873e 100644
--- a/src/api/z3_fixedpoint.h
+++ b/src/api/z3_fixedpoint.h
@@ -106,9 +106,9 @@ extern "C" {
         \endcode
 
         query returns
-        - Z3_L_FALSE if the query is unsatisfiable.
-        - Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
-        - Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
+        - \c Z3_L_FALSE if the query is unsatisfiable.
+        - \c Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
+        - \c Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
 
         def_API('Z3_fixedpoint_query', INT, (_in(CONTEXT), _in(FIXEDPOINT), _in(AST)))
     */
@@ -120,9 +120,9 @@ extern "C" {
         The queries are encoded as relations (function declarations).
 
         query returns
-        - Z3_L_FALSE if the query is unsatisfiable.
-        - Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
-        - Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
+        - \c Z3_L_FALSE if the query is unsatisfiable.
+        - \c Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
+        - \c Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
 
         def_API('Z3_fixedpoint_query_relations', INT, (_in(CONTEXT), _in(FIXEDPOINT), _in(UINT), _in_array(2, FUNC_DECL)))
     */
@@ -138,8 +138,8 @@ extern "C" {
        Each conjunct encodes values of the bound variables of the query that are satisfied.
        In PDR mode, the returned answer is a single conjunction.
 
-       When used in Datalog mode the previous call to #Z3_fixedpoint_query must have returned Z3_L_TRUE.
-       When used with the PDR engine, the previous call must have been either Z3_L_TRUE or Z3_L_FALSE.
+       When used in Datalog mode the previous call to #Z3_fixedpoint_query must have returned \c Z3_L_TRUE.
+       When used with the PDR engine, the previous call must have been either \c Z3_L_TRUE or \c Z3_L_FALSE.
 
        def_API('Z3_fixedpoint_get_answer', AST, (_in(CONTEXT), _in(FIXEDPOINT)))
     */
@@ -148,7 +148,7 @@ extern "C" {
     /**
        \brief Retrieve a string that describes the last status returned by #Z3_fixedpoint_query.
 
-       Use this method when #Z3_fixedpoint_query returns Z3_L_UNDEF.
+       Use this method when #Z3_fixedpoint_query returns \c Z3_L_UNDEF.
 
        def_API('Z3_fixedpoint_get_reason_unknown', STRING, (_in(CONTEXT), _in(FIXEDPOINT) ))
     */
diff --git a/src/api/z3_optimization.h b/src/api/z3_optimization.h
index 750f286a5..8f1275774 100644
--- a/src/api/z3_optimization.h
+++ b/src/api/z3_optimization.h
@@ -142,7 +142,7 @@ extern "C" {
     /**
        \brief Retrieve a string that describes the last status returned by #Z3_optimize_check.
 
-       Use this method when #Z3_optimize_check returns Z3_L_UNDEF.
+       Use this method when #Z3_optimize_check returns \c Z3_L_UNDEF.
 
        def_API('Z3_optimize_get_reason_unknown', STRING, (_in(CONTEXT), _in(OPTIMIZE) ))
     */
diff --git a/src/api/z3_spacer.h b/src/api/z3_spacer.h
index 88129d095..bd6b7d01d 100644
--- a/src/api/z3_spacer.h
+++ b/src/api/z3_spacer.h
@@ -37,9 +37,9 @@ extern "C" {
         \endcode
 
         query returns
-        - Z3_L_FALSE if the query is unsatisfiable.
-        - Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
-        - Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
+        - \c Z3_L_FALSE if the query is unsatisfiable.
+        - \c Z3_L_TRUE if the query is satisfiable. Obtain the answer by calling #Z3_fixedpoint_get_answer.
+        - \c Z3_L_UNDEF if the query was interrupted, timed out or otherwise failed.
 
         def_API('Z3_fixedpoint_query_from_lvl', INT, (_in(CONTEXT), _in(FIXEDPOINT), _in(AST), _in(UINT)))
     */
@@ -48,7 +48,7 @@ extern "C" {
      /**
        \brief Retrieve a bottom-up (from query) sequence of ground facts
 
-       The previous call to Z3_fixedpoint_query must have returned Z3_L_TRUE.
+       The previous call to Z3_fixedpoint_query must have returned \c Z3_L_TRUE.
 
        def_API('Z3_fixedpoint_get_ground_sat_answer', AST, (_in(CONTEXT), _in(FIXEDPOINT)))
     */