fixes

Author: andreaangiolillo

tools/cli/internal/apiversion/version.go

@@ -157,7 +157,7 @@ func Parse(contentType string) (string, error) {
 	}
 
 	if len(matches) == 3 {
-		return fmt.Sprintf("%s-%s-%s", matches[1], matches[2], matches[3]), nil
+		return fmt.Sprintf("%s-%s-%s", matches[2], matches[3], matches[4]), nil
 	}
 
 	return matches[1], nil

tools/cli/internal/openapi/filter/info.go

@@ -20,7 +20,7 @@ import (
 	"github.com/mongodb/openapi/tools/cli/internal/apiversion"
 )
 
-// Filter: InfoFilter is a filter that modifies the Info object in the OpenAPI spec.
+// InfoFilter is a filter that modifies the Info object in the OpenAPI spec.
 type InfoFilter struct {
 	oas      *openapi3.T
 	metadata *Metadata
@@ -44,6 +44,6 @@ func replaceVersion(input string, v *apiversion.APIVersion) string {
 		return input // No match found, return the original string
 	}
 
-	replacement := fmt.Sprintf("application/vnd.atlas.%s+%s", v.String(), matches[4])
+	replacement := fmt.Sprintf("application/vnd.atlas.%s+%s", v.String(), matches[5])
 	return apiversion.ContentPattern.ReplaceAllString(input, replacement)
 }