Correct typos in README (#773)

README.md

@@ -75,7 +75,7 @@ USAGE:
 OPTIONS:
    --generalInfo value, -g value       Go file path in which 'swagger general API Info' is written (default: "main.go")
    --dir value, -d value               Directory you want to parse (default: "./")
-   --exclude value                     Exclude directoies and files, comma separated
+   --exclude value                     Exclude directories and files, comma separated
    --propertyStrategy value, -p value  Property Naming Strategy like snakecase,camelcase,pascalcase (default: "camelcase")
    --output value, -o value            Output directory for all the generated files(swagger.json, swagger.yaml and doc.go) (default: "./docs")
    --parseVendor                       Parse go files in 'vendor' folder, disabled by default
@@ -175,7 +175,7 @@ func main() {
 //...
 ```
 
-Additionally some general API info can be set dynamically. The generated code package `docs` exports `SwaggerInfo` variable which we can use to set the title, description, version, host and base path programatically. Example using Gin:
+Additionally some general API info can be set dynamically. The generated code package `docs` exports `SwaggerInfo` variable which we can use to set the title, description, version, host and base path programmatically. Example using Gin:
 
 ```go
 package main
@@ -199,7 +199,7 @@ import (
 
 func main() {
 
-	// programatically set swagger info
+	// programmatically set swagger info
 	docs.SwaggerInfo.Title = "Swagger Example API"
 	docs.SwaggerInfo.Description = "This is a sample server Petstore server."
 	docs.SwaggerInfo.Version = "1.0"