diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index e4110a9..36b616b 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -18,6 +18,7 @@ doxygen autodoc
         <doxygen:param>EXPAND_ONLY_PREDEF=YES
         <doxygen:param>MACRO_EXPANSION=YES
         <doxygen:param>"PREDEFINED=\"stl_type_info=std::type_info\" \\
+                                   \"BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT()=explicit operator bool() noexcept;\" \\
                                    \"BOOST_STACKTRACE_FUNCTION\""
         <xsl:param>"boost.doxygen.reftitle=Boost.Stacktrace Header Reference"
    ;
diff --git a/include/boost/stacktrace.hpp b/include/boost/stacktrace.hpp
index 82c3920..f82235b 100644
--- a/include/boost/stacktrace.hpp
+++ b/include/boost/stacktrace.hpp
@@ -115,11 +115,13 @@ public:
     /// @b Complexity: Amortized O(1), O(1) for noop backend.
     BOOST_STACKTRACE_FUNCTION std::string operator[](std::size_t frame) const;
 
+    /// @cond
     bool operator!() const BOOST_NOEXCEPT {
         return !size();
     }
+    /// @endcond
 
-    /// @brief Allows to check that capturing stack trace was successful.
+    /// @brief Allows to check that stack trace capturing was successful.
     /// @returns `true` if `this->size() != 0`
     ///
     /// @b Complexity: O(1)
@@ -136,6 +138,7 @@ public:
     BOOST_STACKTRACE_FUNCTION bool operator==(const stacktrace& rhs) const BOOST_NOEXCEPT;
 };
 
+/// Additional comparison operators for stacktraces that have amortized O(1) complexity.
 inline bool operator> (const stacktrace& lhs, const stacktrace& rhs) BOOST_NOEXCEPT { return rhs < lhs; }
 inline bool operator<=(const stacktrace& lhs, const stacktrace& rhs) BOOST_NOEXCEPT { return !(lhs > rhs); }
 inline bool operator>=(const stacktrace& lhs, const stacktrace& rhs) BOOST_NOEXCEPT { return !(lhs < rhs); }