diff --git a/README.md b/README.md
index 825aa36d..bbf0666a 100644
--- a/README.md
+++ b/README.md
@@ -349,7 +349,7 @@ Available color names are defined below:
 | steelblue            | tan                  | thistle              | tomato               | turquoise            |
 | violet               | wheat                | whitesmoke           | yellowgreen          | grey                 |
 | dimgrey              | darkgrey             | darkslategrey        | lightgrey            | lightslategrey       |
-| slategrey            | | | | |
+| slategrey            |                      |                      |                      |                      |
 
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