Document `company-dabbrev-ignore-case' better

Closes #134

diff --git a/company-dabbrev.el b/company-dabbrev.el
index 08a13f60ebc9ff3c8ebee77622e92d1f6b1e47e7..84da3059e6048b1dc3a944b59d32e2ea5431ab70 100644 (file)
--- a/company-dabbrev.el
+++ b/company-dabbrev.el
@@ -51,7 +51,9 @@ See also `company-dabbrev-time-limit'."
   :type 'regexp)
 
 (defcustom company-dabbrev-ignore-case 'keep-prefix
-  "The value of `ignore-case' returned by `company-dabbrev'.")
+  "Non-nil to ignore case when collecting completion candidates.
+When it's `keep-prefix', the text before point will remain unchanged after
+candidate is inserted, even some of its characters have different case.")
 
 (defcustom company-dabbrev-downcase 'case-replace
   "Whether to downcase the returned candidates.