Fixing issue "Format example typo"
@@ -41,7 +41,7 @@ The following example uses a template without headers and outputs the
`ID` and `CreatedSince` entries separated by a colon for all images:
```bash
-$ docker images --format "{{.ID}}: {{.Created}} ago"
+$ docker images --format "{{.ID}}: {{.CreatedSince}} ago"
cc1b61406712: 2 weeks ago
<missing>: 2 weeks ago
