fixed spelling

Fixed spelling mistake!

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 9088bd69d6f1e1e3007b1b8ad6f2d2d4b29cedc0..0b3d5daa62560563d2973c12756791def772fd68 100644 (file)
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -1616,7 +1616,7 @@ examples.
 * types: `text`, `image`, `color`, `indent`, `tree`
     * `text`:   show cell contents as text
     * `image`:  cell contents are an image index, use column options to define images
-    * `colo`:   cell contents are a ColorString and define color of following cell
+    * `color`:   cell contents are a ColorString and define color of following cell
     * `indent`: cell contents are a number and define indentation of following cell
     * `tree`:   same as indent, but user can open and close subtrees (treeview-like)
 * column options: