diff --git a/base/c.jl b/base/c.jl
index a26f41856dc8f..b54101773468f 100644
--- a/base/c.jl
+++ b/base/c.jl
@@ -270,6 +270,21 @@ reasonably represented in the target encoding; it always succeeds for
 conversions between UTF-XX encodings, even for invalid Unicode data.
 
 Only conversion to/from UTF-8 is currently supported.
+
+# Examples
+```jldoctest
+julia> str = "αβγ"
+"αβγ"
+
+julia> transcode(UInt16, str)
+3-element Vector{UInt16}:
+ 0x03b1
+ 0x03b2
+ 0x03b3
+
+julia> transcode(String, transcode(UInt16, str))
+"αβγ"
+```
 """
 function transcode end