diff --git a/doc/container.qbk b/doc/container.qbk
index 70b4273..637bdeb 100644
--- a/doc/container.qbk
+++ b/doc/container.qbk
@@ -1254,6 +1254,7 @@ use [*Boost.Container]? There are several reasons for that:
 * Fixed bugs:
    * [@https://github.com/boostorg/container/issues/77 GitHub #77: ['"warning: 'sbrk' is deprecated"]].
    * [@https://github.com/boostorg/container/issues/79 GitHub #79: ['"Mark small_vector move operations noexcept"]].
+   * [@https://github.com/boostorg/container/issues/80 GitHub #80: ['"flat_map deduction guides are ambiguous"]].
    * [@https://github.com/boostorg/container/issues/81 GitHub #81: ['"Vector with custom allocator does not support value types with operator&"]].
    * [@https://github.com/boostorg/container/issues/82 GitHub #82: ['"Function definition in header file"]].
    * [@https://github.com/boostorg/container/issues/83 GitHub #83: ['"Iterator zero incrementing leads to assert on empty vector"]].