diff --git a/basis/changer/changer-docs.factor b/basis/changer/changer-docs.factor
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+! Copyright (C) 2015 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: help.markup help.syntax kernel quotations strings ;
+IN: changer
+
+HELP: change:
+{ $description "Syntax word for applying a quotation to a tuple slot." }
+{ $examples
+    "Change a tuple slot:"
+    { $example
+        "USING: prettyprint changer kernel math ;"
+        "IN: changer"
+        "TUPLE: nightclub count ;"
+        "T{ nightclub f 0 } [ 3 + ] change: count ."
+        "T{ nightclub { count 3 } }"
+    }
+} ;
+
+HELP: inline-changer
+{ $values
+    { "name" string }
+    { "quot'" quotation }
+}
+{ $description "A macro that takes a slot name and applies the quotation to a slot of a tuple." } ;
+
+ARTICLE: "changer" "Changer syntax"
+"The " { $vocab-link "changer" } " vocabulary defines one word to change the values of a slot of tuple objects."
+$nl
+"Syntax word to change tuple slots:"
+{ $subsections
+    POSTPONE: change:
+}
+"Macro to implement " { $link POSTPONE: change: } ":"
+{ $subsections
+    inline-changer
+} ;
+
+ABOUT: "changer"