diff --git a/README.md b/README.md
index 0ff62c38..fbf0cdf7 100644
--- a/README.md
+++ b/README.md
@@ -152,7 +152,7 @@ Thumbnail with height of 200px: `{{dmsftn(8)}}`
 
 Thumbnail with custom size: `{{dmsftn(8, size=300)}}`
 
-Inline video of the file with id 8; it must be an image file such as MP4: `{{dmsf_video(9)}}`
+Inline video of the file with id 8; it must be a video file such as MP4: `{{dmsf_video(9)}}`
 
 Inline video with custom size: `{{dmsf_video(9, size=300)}}`
 
diff --git a/assets/images/assigned.png b/assets/images/assigned.png
deleted file mode 100644
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Binary files a/assets/images/assigned.png and /dev/null differ
diff --git a/assets/images/none.png b/assets/images/none.png
deleted file mode 100644
index 3051be29..00000000
Binary files a/assets/images/none.png and /dev/null differ
diff --git a/assets/images/waiting_for_approval.png b/assets/images/waiting_for_approval.png
deleted file mode 100644
index 97cdace9..00000000
Binary files a/assets/images/waiting_for_approval.png and /dev/null differ