     "Outputs" $heading ($values) ;
 
 : $values ( element -- )
-    "Inputs and outputs" $heading ($values) ;
+    "Inputs and Outputs" $heading ($values) ;
 
 : $side-effects ( element -- )
-    "Side effects" $heading "Modifies " print-element
+    "Side Effects" $heading "Modifies " print-element
     [ $snippet ] textual-list ;
 
 : $errors ( element -- )

: $syntax ( element -- ) "Syntax" $heading $code ;

: $description ( element -- )
    "Word description" $heading print-element ;

: $class-description ( element -- )
    "Class description" $heading print-element ;

: $error-description ( element -- )
    "Error description" $heading print-element ;

: $var-description ( element -- )
    "Variable description" $heading print-element ;

: $contract ( element -- )
    "Generic word contract" $heading print-element ;

: $examples ( element -- )
    "Examples" $heading print-element ;

    [ [ ($link) ] " » " (textual-list) ] ($span) ;

: $see-also ( topics -- )
    "See Also" $heading $links ;

<PRIVATE
:: update-related-words ( words -- affected-words )
