update documentation

Author: Ron89

README.md

@@ -76,7 +76,8 @@ prefer the split buffer display of result over the word replacement routine.
 ----------------
 
 Another might-be-useful routine is the one to query synonym for and replace
-a multi-word phrase covered in visual mode.
+a multi-word phrase covered in visual mode, using the same key mapping
+`<Leader>cs`
 
 ```
     vnoremap <Leader>cs y:ThesaurusQueryReplace <C-r>"<CR>
@@ -92,6 +93,14 @@ function. To invoke it, use keybinding `ctrl-x ctrl-u` in insert mode. This
 function resembles Vim's own thesaurus checking function, but using online
 resources for matchings.
 
+---------------
+
+Finally, this plugin support thesaurus checkup for manually input through
+command mode command `:Thesaurus`.
+
+```
+    :Thesaurus your phrase
+```
 
 ## Configuration
 

doc/thesaurus_query.txt

@@ -57,7 +57,7 @@ Internet is required for online query backend to be functional;
 ===============================================================================
 3. Usage                                                             *tq-usage*
 
-The plugin provides three ways of using.
+The plugin provides several ways of using.
 
 :ThesaurusQueryReplaceCurrentWord         *:ThesaurusQueryReplaceCurrentWord*
     This command checkup the word under cursor and attempt to replace it with
@@ -85,7 +85,7 @@ The functionalities are also mapped to key-bindings, if `g:tq_map_keys=1` as
 default (Note: since this plugin is active for all buffers, the use of
 `<LocalLeader>`is now depreciated):
     nnoremap <unique> <Leader>cs :ThesaurusQueryReplaceCurrentWord<CR>
-    vnoremap <unique> <Leader>cs y:Thesaurus <C-r>"<CR>
+    vnoremap <unique> <Leader>cs "ky:ThesaurusQueryReplace <C-r>k<CR>
     nnoremap <LocalLeader>cs :ThesaurusQueryReplaceCurrentWord<CR>
     vnoremap <LocalLeader>cs "ky:ThesaurusQueryReplace <C-r>k<CR>