diff --git a/base/docs/basedocs.jl b/base/docs/basedocs.jl
index 7d792a401fdab7..1dd29922462ac4 100644
--- a/base/docs/basedocs.jl
+++ b/base/docs/basedocs.jl
@@ -1456,6 +1456,14 @@ A variable referring to the last computed value, automatically set at the intera
 """
 kw"ans"
 
+"""
+    err
+
+A variable referring to the last thrown errors, automatically set at the interactive prompt.
+The thrown errors are collected in a stack of exceptions.
+"""
+kw"err"
+
 """
     devnull
 
diff --git a/doc/src/base/base.md b/doc/src/base/base.md
index 5bb227137b24da..9a00a864907ec7 100644
--- a/doc/src/base/base.md
+++ b/doc/src/base/base.md
@@ -37,6 +37,7 @@ Base.which(::Any, ::Any)
 Base.methods
 Base.@show
 ans
+err
 Base.active_project
 Base.set_active_project
 ```