Apply suggestions from code review

Co-authored-by: Danny Kopping <[email protected]>

Author: johnstcn

docs/resources/cached_image.md

@@ -3,7 +3,7 @@
 page_title: "envbuilder_cached_image Resource - envbuilder"
 subcategory: ""
 description: |-
-  The cached image resource can be used to retrieve a cached image produced by envbuilder. Creating this resource will clone the specified Git repository, read a Devcontainer specification or Dockerfile, and check for its presence in the provided cache repo. If any of the layers of the cached image are missing in the provided cache repo, the image will be considered as missing. A cached image in this state will be recreated until found.
+  A `envbuilder_cached_image` can be used to retrieve a cached image produced by envbuilder. Creating this resource will clone the specified Git repository, read a Devcontainer specification or Dockerfile, and check for its presence in the provided cache repo. If any of the layers of the cached image are missing in the provided cache repo, the image will be considered as missing. A `envbuilder_cached_image` resource in this state will be recreated until a cached image is found in the registry.
 ---
 
 # envbuilder_cached_image (Resource)

internal/provider/cached_image_resource.go

@@ -381,7 +381,7 @@ func (r *CachedImageResource) Delete(ctx context.Context, req resource.DeleteReq
 func (r *CachedImageResource) runCacheProbe(ctx context.Context, data CachedImageResourceModel) (v1.Image, error) {
 	tmpDir, err := os.MkdirTemp(os.TempDir(), "envbuilder-provider-cached-image-data-source")
 	if err != nil {
-		return nil, fmt.Errorf("Unable to create temp directory: %s", err.Error())
+		return nil, fmt.Errorf("unable to create temp directory: %s", err.Error())
 	}
 	defer func() {
 		if err := os.RemoveAll(tmpDir); err != nil {
@@ -408,7 +408,7 @@ func (r *CachedImageResource) runCacheProbe(ctx context.Context, data CachedImag
 	envbuilderPath := filepath.Join(tmpDir, "envbuilder")
 	if err := extractEnvbuilderFromImage(ctx, data.BuilderImage.ValueString(), envbuilderPath); err != nil {
 		tflog.Error(ctx, "failed to fetch envbuilder binary from builder image", map[string]any{"err": err})
-		return nil, fmt.Errorf("Failed to fetch the envbuilder binary from the builder image: %s", err.Error())
+		return nil, fmt.Errorf("failed to fetch the envbuilder binary from the builder image: %s", err.Error())
 	}
 
 	workspaceFolder := data.WorkspaceFolder.ValueString()