diff --git a/base/docs/helpdb/Base.jl b/base/docs/helpdb/Base.jl
index 3a669992c71f33..7bf14198490a16 100644
--- a/base/docs/helpdb/Base.jl
+++ b/base/docs/helpdb/Base.jl
@@ -2127,17 +2127,6 @@ Largest integer less than or equal to `x/y`.
 """
 fld
 
-"""
-    withenv(f::Function, kv::Pair...)
-
-Execute `f()` in an environment that is temporarily modified (not replaced as in `setenv`)
-by zero or more `"var"=>val` arguments `kv`. `withenv` is generally used via the
-`withenv(kv...) do ... end` syntax. A value of `nothing` can be used to temporarily unset an
-environment variable (if it is set). When `withenv` returns, the original environment has
-been restored.
-"""
-withenv
-
 """
     setdiff!(s, iterable)
 
diff --git a/base/env.jl b/base/env.jl
index 893191d015678c..351ef42680d0b9 100644
--- a/base/env.jl
+++ b/base/env.jl
@@ -138,7 +138,15 @@ function show(io::IO, ::EnvHash)
     end
 end
 
-# temporarily set and then restore an environment value
+"""
+    withenv(f::Function, kv::Pair...)
+
+Execute `f()` in an environment that is temporarily modified (not replaced as in `setenv`)
+by zero or more `"var"=>val` arguments `kv`. `withenv` is generally used via the
+`withenv(kv...) do ... end` syntax. A value of `nothing` can be used to temporarily unset an
+environment variable (if it is set). When `withenv` returns, the original environment has
+been restored.
+"""
 function withenv{T<:AbstractString}(f::Function, keyvals::Pair{T}...)
     old = Dict{T,Any}()
     for (key,val) in keyvals