diff --git a/src/DocFxOpenApi/Domain/CommandlineOptions.cs b/src/DocFxOpenApi/Domain/CommandlineOptions.cs
index 9131ae8..7d0c290 100644
--- a/src/DocFxOpenApi/Domain/CommandlineOptions.cs
+++ b/src/DocFxOpenApi/Domain/CommandlineOptions.cs
@@ -7,12 +7,12 @@ namespace DocFxOpenApi.Domain
     using CommandLine;
 
     /// <summary>
-    ///     Class for command line options.
+    ///  Class for command line options.
     /// </summary>
     public class CommandlineOptions
     {
         /// <summary>
-        ///     Gets or sets the folder with specifications.
+        /// Gets or sets the folder with specifications.
         /// </summary>
         [Option('s', "specsource", Required = true, HelpText = "Folder or File containing the OpenAPI specification.")]
         public string? SpecSource
@@ -22,24 +22,24 @@ public string? SpecSource
         }
 
         /// <summary>
-        ///     Gets or sets the output folder.
+        /// Gets or sets the output folder.
         /// </summary>
         [Option('o', "outputfolder", Required = false, HelpText = "Folder to write the resulting specifications in.")]
         public string? OutputFolder { get; set; }
 
         /// <summary>
-        ///     Gets or sets a value indicating whether verbose information is shown in the output.
+        /// Gets or sets a value indicating whether verbose information is shown in the output.
         /// </summary>
         [Option('v', "verbose", Required = false, HelpText = "Show verbose messages.")]
         public bool Verbose { get; set; }
 
         /// <summary>
-        ///     Gets the folder with specifications, if the source is a folder.
+        /// Gets the folder with specifications, if the source is a folder.
         /// </summary>
         public string? SpecFolder { get; private set; }
 
         /// <summary>
-        ///     Gets the file with specifications, if the source is a file.
+        /// Gets the file with specifications, if the source is a file.
         /// </summary>
         public string? SpecFile { get; private set; }
 
diff --git a/src/DocFxOpenApi/README.md b/src/DocFxOpenApi/README.md
index e180c1e..7ee3830 100644
--- a/src/DocFxOpenApi/README.md
+++ b/src/DocFxOpenApi/README.md
@@ -6,14 +6,15 @@ This tool converts existing [OpenAPI](https://www.openapis.org/) specification f
 
 ```text
 DocFxOpenApi -s <specs folder> [-o <output folder>] [-v]
-  -s, --specfolder        Required. Folder containing the OpenAPI specification.
+  -s, --specsource      Required. Folder or file containing the OpenAPI specification.
   -o, --outputfolder	Folder to write the resulting specifications in.
-  -v, --verbose           Show verbose messages.
-  --help                	  Display this help screen.
-  --version              	Display version information.
+  -v, --verbose         Show verbose messages.
+  --help                Display this help screen.
+  --version             Display version information.
 ```
 
-The tool converts any `*.json`, `*.yaml`, `*.yml` file from the provided specification folder into the output folder. It supports JSON or YAML-format, OpenAPI v2 or v3 (including 3.0.1) format files.
+When a folder is provided to the `specsource` parameter, the tool converts all `*.json`, `*.yaml`, `*.yml` files in the folder and its subfolders. When a file is provided, the tool converts only that file.
+It supports JSON or YAML-format, OpenAPI v2 or v3 (including 3.0.1) format files.
 
 If the `-o or --outputfolder` is not provided, the output folder is set to the input specs folder.