diff --git a/website/data/checks.json b/website/data/checks.json
index d74aca3f..dd67a641 100644
--- a/website/data/checks.json
+++ b/website/data/checks.json
@@ -1146,9 +1146,9 @@
 		},
 		"SA4008": {
 			"Title": "The variable in the loop condition never changes, are you incrementing the wrong variable?",
-			"Text": "For example:\n\n\tfor i := 0; i \u003c 10; j++ { ... }\n\nThis may also occur when a loop condition does not have a chance to increment.\nFor example, when a loop body contains an unconditional panic:\n\n\tfunc f() {\n\t\tpanic(\"oops\")\n\t}\n\tfunc g() {\n\t\tfor i := 0; i \u003c 10; i++ {\n\t\t\t// f unconditionally calls panic, which means \"i\" is\n\t\t\t// never incremented.\n\t\t\tf()\n\t\t}\n\t}",
+			"Text": "For example:\n\n\tfor i := 0; i \u003c 10; j++ { ... }\n\nThis may also occur when a loop can only execute once because of unconditional\ncontrol flow that terminates the loop. For example, when a loop body contains an\nunconditional break, return, or panic:\n\n\tfunc f() {\n\t\tpanic(\"oops\")\n\t}\n\tfunc g() {\n\t\tfor i := 0; i \u003c 10; i++ {\n\t\t\t// f unconditionally calls panic, which means \"i\" is\n\t\t\t// never incremented.\n\t\t\tf()\n\t\t}\n\t}",
 			"TitleMarkdown": "The variable in the loop condition never changes, are you incrementing the wrong variable?",
-			"TextMarkdown": "For example:\n\n\tfor i := 0; i \u003c 10; j++ { ... }\n\nThis may also occur when a loop condition does not have a chance to increment.\nFor example, when a loop body contains an unconditional panic:\n\n\tfunc f() {\n\t\tpanic(\"oops\")\n\t}\n\tfunc g() {\n\t\tfor i := 0; i \u003c 10; i++ {\n\t\t\t// f unconditionally calls panic, which means \"i\" is\n\t\t\t// never incremented.\n\t\t\tf()\n\t\t}\n\t}",
+			"TextMarkdown": "For example:\n\n\tfor i := 0; i \u003c 10; j++ { ... }\n\nThis may also occur when a loop can only execute once because of unconditional\ncontrol flow that terminates the loop. For example, when a loop body contains an\nunconditional break, return, or panic:\n\n\tfunc f() {\n\t\tpanic(\"oops\")\n\t}\n\tfunc g() {\n\t\tfor i := 0; i \u003c 10; i++ {\n\t\t\t// f unconditionally calls panic, which means \"i\" is\n\t\t\t// never incremented.\n\t\t\tf()\n\t\t}\n\t}",
 			"Before": "",
 			"After": "",
 			"Since": "2017.1",
@@ -1677,6 +1677,19 @@
 			"Severity": 3,
 			"MergeIf": 0
 		},
+		"SA6006": {
+			"Title": "Using io.WriteString to write []byte",
+			"Text": "Using io.WriteString to write a slice of bytes, as in\n\n```go\nio.WriteString(w, string(b))\n```\n\nis both unnecessary and inefficient. Converting from []byte to string\nhas to allocate and copy the data, and we could simply use w.Write(b)\ninstead.",
+			"TitleMarkdown": "Using io.WriteString to write `[]byte`",
+			"TextMarkdown": "Using io.WriteString to write a slice of bytes, as in\n\n```go\nio.WriteString(w, string(b))\n```\n\nis both unnecessary and inefficient. Converting from `[]byte` to `string`\nhas to allocate and copy the data, and we could simply use `w.Write(b)`\ninstead.",
+			"Before": "",
+			"After": "",
+			"Since": "Unreleased",
+			"NonDefault": false,
+			"Options": null,
+			"Severity": 0,
+			"MergeIf": 0
+		},
 		"SA9001": {
 			"Title": "Defers in range loops may not run when you expect them to",
 			"Text": "",
@@ -2166,7 +2179,8 @@
 			"SA6001",
 			"SA6002",
 			"SA6003",
-			"SA6005"
+			"SA6005",
+			"SA6006"
 		],
 		"SA9": [
 			"SA9001",