diff --git a/comment.lua b/comment.lua
index 5082ccd..9306bcf 100644
--- a/comment.lua
+++ b/comment.lua
@@ -21,6 +21,7 @@ ft["d"] = "// %s"
 ft["swift"] = "// %s"
 ft["julia"] = "# %s"
 ft["latex"] = "\% %s"
+ft["sql"] = "-- %s"
 
 function onViewOpen(v)
     if v.Buf.Settings["commenttype"] == nil then
diff --git a/help/comment-plugin.md b/help/comment-plugin.md
index fd9b869..67219bb 100644
--- a/help/comment-plugin.md
+++ b/help/comment-plugin.md
@@ -40,6 +40,7 @@ but it is only available for certain filetypes:
 * rust: `// %s`
 * shell: `# %s`
 * swift: `// %s`
+* sql: `-- %s`
 
 If your filetype is not available here, you can simply modify
 the `commenttype` option: