diff --git a/doc/cmp.txt b/doc/cmp.txt
index 5cc5f5e..d4285f0 100644
--- a/doc/cmp.txt
+++ b/doc/cmp.txt
@@ -366,7 +366,7 @@ snippet.expand~
                                           *cmp-config.completion.keyword_length*
 completion.keyword_length~
   `number`
-  The default number value to trigger auto-completion.
+  The number of characters needed to trigger auto-completion.
 
                                          *cmp-config.completion.keyword_pattern*
 completion.keyword_pattern~