diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index f9219303013..1db1549d85e 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2007-03-31  Markus Triska  <markus.triska@gmx.at>
+
+	* flymake.el (flymake-err-line-patterns): Doc fix.
+
 2007-03-30  Reiner Steib  <Reiner.Steib@gmx.de>
 
 	* info.el (info-tool-bar-map): Use "exit" for Info-exit.  Move to
diff --git a/lisp/progmodes/flymake.el b/lisp/progmodes/flymake.el
index 8d126c8a413..4903d7d26ec 100644
--- a/lisp/progmodes/flymake.el
+++ b/lisp/progmodes/flymake.el
@@ -931,8 +931,8 @@ Convert it to flymake internal format."
       2 4 nil 5))
    ;; compilation-error-regexp-alist)
    (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
-  "Patterns for matching error/warning lines.
-\(REGEXP FILE-IDX LINE-IDX ERR-TEXT-IDX).
+  "Patterns for matching error/warning lines.  Each pattern has the form
+\(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
 Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
 from compile.el")