diff --git a/string.c b/string.c
index a1beb6ee89..0f5b5ca955 100644
--- a/string.c
+++ b/string.c
@@ -6092,16 +6092,16 @@ rb_str_aref(VALUE str, VALUE indx)
 
 /*
  *  call-seq:
- *    string[index] -> new_string or nil
- *    string[start, length] -> new_string or nil
- *    string[range] -> new_string or nil
- *    string[regexp, capture = 0] -> new_string or nil
- *    string[substring] -> new_string or nil
+ *    self[index] -> new_string or nil
+ *    self[start, length] -> new_string or nil
+ *    self[range] -> new_string or nil
+ *    self[regexp, capture = 0] -> new_string or nil
+ *    self[substring] -> new_string or nil
  *
  *  Returns the substring of +self+ specified by the arguments.
  *  See examples at {String Slices}[rdoc-ref:String@String+Slices].
  *
- *
+ *  Related: see {Converting to New String}[rdoc-ref:String@Converting+to+New+String].
  */
 
 static VALUE