patch 9.1.1201: 'completefuzzycollect' does not handle dictionary correctly

Problem:  'completefuzzycollect' does not handle dictionary correctly
Solution: check for ctrl_x_mode_dictionary (glepnir)

closes: #16867

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 75fa1cb..525a3a5 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -2113,17 +2113,18 @@
 	find completion candidates instead of the standard prefix-based
 	matching.  This option can contain the following values:
 
-	keyword		keywords in the current file |i_CTRL-X_CTRL-N|
-			keywords with the ".", "w", "b", "u", "U" and
-			"k{dict}" flags in 'complete'. |i_CTRL-N| |i_CTRL-P|
+	keyword		keywords in the current file	|i_CTRL-X_CTRL-N|
+			keywords with flags ".", "w",	|i_CTRL-N| |i_CTRL-P|
+			"b", "u", "U" and "k{dict}" in 'complete'
+			keywords in 'dictionary'	|i_CTRL-X_CTRL-K|
 
-	files		file names  |i_CTRL-X_CTRL-F|
+	files		file names			|i_CTRL-X_CTRL-F|
 
-	whole_line	whole lines |i_CTRL-X_CTRL-L|
+	whole_line	whole lines			|i_CTRL-X_CTRL-L|
 
-	When used with 'completeopt' "longest" option, fuzzy collection can
-	identify the longest common string among the best fuzzy matches and
-	automatically insert it.
+	When used the 'completeopt' "longest" option value, fuzzy collection
+	can identify the longest common string among the best fuzzy matches
+	and insert it automatically.
 
 						*'completeitemalign'* *'cia'*
 'completeitemalign' 'cia' string (default: "abbr,kind,menu")