nit docs typo

docs/sqlsyntax.md

@@ -9,7 +9,7 @@ to TSQL / SQL Server). There are multiple ways of letting the tools know more (i
 1. if the connection is statically recognized (`SqlConnection` etc rather than `DbConnection`), it will infer the SQL variant from that
 2. if Dapper.AOT is installed and `[SqlSyntax(...)]` is in scope, it will use the variant specified
 3. if a `dapper.sqlsyntax = ...` entry is specified in an [analyzer configuration file](https://learn.microsoft.com/dotnet/fundamentals/code-analysis/configuration-files) (typically a [Global AnalyzerConfig](https://learn.microsoft.com/dotnet/fundamentals/code-analysis/configuration-files#global-analyzerconfig))
-   with a known values, it will be used
+   with a known value, it will be used
 4. if a `<Dapper_SqlSyntax>...</Dapper_SqlSyntax>` property is specified in the project file (inside a `<PropertyGroup>`) with a known value, it will be used
 5. otherwise no SQL variant is applied