diff --git a/ControlParams.md b/ControlParams.md
index d347a93..7b97c45 100644
--- a/ControlParams.md
+++ b/ControlParams.md
@@ -51,4 +51,6 @@ Note that the default value may change; check the source code if you need to be
 | edges\_max\_children\_per\_outline  | 40                  | Max number of children inside a character outline. Increase this value if [some of KANJI characters are not recognized (rejected)](https://web.archive.org/web/*/https://code.google.com/p/tesseract-ocr/issues/detail?id=1022). |
 
 
-If you find a parameter that you consider useful, please add a comment to this page, and we will copy it into the page as we find it.
\ No newline at end of file
+If you find a parameter that you consider useful, please add a comment to this page, and we will copy it into the page as we find it.
+
+**Comment**: [Another wiki page](https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality#dictionaries-word-lists-and-patterns) links here, suggesting that parameter `tessedit_char_whitelist` will be listed and explained but it is not found.
\ No newline at end of file