Update readme.

README.Rmd

@@ -30,18 +30,22 @@ Possible grammar errors will be shown at the console, and you will be asked to m
 
 ## Language selection
 
-The package will observe if a language was set on project configuration. Set this option, even for English.
+The package will prioritize the spelling dictionary set on project configuration.
 
 Tools --> Project Options... --> Spelling --> Main dictionary language
 
-If this is not defined (`Default` option), the package will let the LanguageTool API try to determine the language based on the text.
+If not set, the project will use the spelling dictionary set on the Global Options.  
+
+Tools --> Global Options... --> Spelling --> Main dictionary language
 
 You can also manually specify the language ([available options](https://api.languagetoolplus.com/v2/languages) at the API).
 
 ```{r eval=FALSE}
 rspell::check_selection(language = "FR")
 ```
 
+If you set `language = "auto"`, the LanguageTool API will try to guess the language.
+
 ## Add-in and keyboard shortcut
 
 For a faster use, you can use the package's RStudio add-in. After installing the package, it will be available at the add-in list. You can also map a [keyboard shortcut](https://support.posit.co/hc/en-us/articles/206382178-Customizing-Keyboard-Shortcuts-in-the-RStudio-IDE) for it, like `Ctrl+g`.

README.md

@@ -35,13 +35,15 @@ asked to modify or not the text.
 
 ## Language selection
 
-The package will observe if a language was set on project configuration.
-Set this option, even for English.
+The package will prioritize the spelling dictionary set on project
+configuration.
 
 Tools –\> Project Options… –\> Spelling –\> Main dictionary language
 
-If this is not defined (`Default` option), the package will let the
-LanguageTool API try to determine the language based on the text.
+If not set, the project will use the spelling dictionary set on the
+Global Options.
+
+Tools –\> Global Options… –\> Spelling –\> Main dictionary language
 
 You can also manually specify the language ([available
 options](https://api.languagetoolplus.com/v2/languages) at the API).
@@ -50,6 +52,9 @@ options](https://api.languagetoolplus.com/v2/languages) at the API).
 rspell::check_selection(language = "FR")
 ```
 
+If you set `language = "auto"`, the LanguageTool API will try to guess
+the language.
+
 ## Add-in and keyboard shortcut
 
 For a faster use, you can use the package’s RStudio add-in. After