diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index e9fa53ca97..c33b8ac03c 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1532,7 +1532,10 @@ A jump table for the options with a short description can be found at |Q_op|.
 	   fuzzy    Enable |fuzzy-matching| for completion candidates. This
 		    allows for more flexible and intuitive matching, where
 		    characters can be skipped and matches can be found even
-		    if the exact sequence is not typed.
+		    if the exact sequence is not typed.  Only makes a
+		    difference how completion candidates are reduced from the
+		    list of alternatives, but not how the candidates are
+		    collected (using different completion types).
 
 						*'completeslash'* *'csl'*
 'completeslash' 'csl'	string	(default "")
diff --git a/runtime/lua/vim/_meta/options.lua b/runtime/lua/vim/_meta/options.lua
index 92c54c397f..0b4294ae4b 100644
--- a/runtime/lua/vim/_meta/options.lua
+++ b/runtime/lua/vim/_meta/options.lua
@@ -1076,7 +1076,10 @@ vim.bo.cfu = vim.bo.completefunc
 ---    fuzzy    Enable `fuzzy-matching` for completion candidates. This
 --- 	    allows for more flexible and intuitive matching, where
 --- 	    characters can be skipped and matches can be found even
---- 	    if the exact sequence is not typed.
+--- 	    if the exact sequence is not typed.  Only makes a
+--- 	    difference how completion candidates are reduced from the
+--- 	    list of alternatives, but not how the candidates are
+--- 	    collected (using different completion types).
 ---
 --- @type string
 vim.o.completeopt = "menu,preview"
diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index 64a3307f46..aa43c4cf3d 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -1458,7 +1458,10 @@ return {
            fuzzy    Enable |fuzzy-matching| for completion candidates. This
         	    allows for more flexible and intuitive matching, where
         	    characters can be skipped and matches can be found even
-        	    if the exact sequence is not typed.
+        	    if the exact sequence is not typed.  Only makes a
+        	    difference how completion candidates are reduced from the
+        	    list of alternatives, but not how the candidates are
+        	    collected (using different completion types).
       ]=],
       expand_cb = 'expand_set_completeopt',
       full_name = 'completeopt',