diff --git a/source/containers.tex b/source/containers.tex
index a156b987a7..9d3bffe30f 100644
--- a/source/containers.tex
+++ b/source/containers.tex
@@ -1581,7 +1581,7 @@
                         &
   compile time \\ \rowsep
 
-\tcode{mapped_type} (\tcode{map} and \tcode{multimap} only) &
+\tcode{X::mapped_type} (\tcode{map} and \tcode{multimap} only) &
   \tcode{T}             &
                         &
   compile time          \\ \rowsep