diff --git a/cspell.json b/cspell.json
new file mode 100644
index 000000000..0b25fab37
--- /dev/null
+++ b/cspell.json
@@ -0,0 +1,215 @@
+{
+  "version": "0.1",
+  "language": "en",
+  "words": [
+    "webpack",
+    "webpack's",
+    "entrypoint",
+    "entrypoints",
+    "splitted",
+    "dedupe",
+    "deduplication",
+    "deduplicating",
+    "unoptimized",
+    "prefetch",
+    "prefetching",
+    "prefetched",
+    "preload",
+    "preloading",
+    "preloaded",
+    "gzipping",
+    "submodule",
+    "submodules",
+    "typeof",
+    "devtool",
+    "wasm",
+    "webassembly",
+    "IIFE",
+    "IIFE's",
+    "bigint",
+    "unexception",
+    "etag",
+    "builtins",
+    "uncacheable",
+    "cacheable",
+    "mergeable",
+    "devtools",
+    "transpiled",
+    "mixins",
+    "subdir",
+    "errored",
+    "eval",
+    "multiplicator",
+    "finalizer",
+    "promisify",
+    "absolutify",
+    "camelcase",
+    "filebase",
+    "moduleid",
+    "modulehash",
+    "chunkfilename",
+    "chunkname",
+    "chunkhash",
+    "fullhash",
+    "contenthash",
+    "hashable",
+    "hotupdatechunk",
+    "middleware",
+    "middlewares",
+    "serializer",
+    "serializers",
+    "deserialization",
+    "referenceable",
+    "polyfilled",
+    "transpiling",
+    "transpile",
+    "transpiles",
+    "snapshotting",
+    "sourcemap",
+    "nosources",
+    "filepath",
+    "subpath",
+    "pathinfo",
+    "undelayed",
+    "microtask",
+    "microtasks",
+    "deopt",
+    "deopts",
+    "sandboxed",
+    "mangleable",
+    "passthrough",
+    "prioritise",
+    "booleanized",
+    "serializables",
+    "unreviewed",
+    "unshifted",
+    "nonrecursive",
+    "symlinked",
+    "subfolder",
+    "prettierrc",
+    "templated",
+    "templating",
+    "kibibytes",
+    "mebibytes",
+    "gibibytes",
+    "typechecker",
+    "recurse",
+    "preparsed",
+    "autocrlf",
+    "lcov",
+    "lcovonly",
+    "gcov",
+    "lintunit",
+    "instanceof",
+    "loglevel",
+    "runtime",
+    "runtimes",
+    "mimetype",
+    "testvalue",
+    "unusedkey",
+    "unusedvalue",
+    "performant",
+    "watchings",
+    "jsons",
+    "exitance",
+    "ident",
+    "idents",
+    "globstar",
+    "inversed",
+    "concated",
+    "RBDT",
+    "opensource",
+    "bugfix",
+    "bugfixes",
+    "declarators",
+    "rrrlll",
+    "undefine",
+    "finializer",
+    "quasis",
+    "hashs",
+    "functype",
+    "funcindex",
+    "Descr",
+    "valtype",
+    "informations",
+    "reexecuted",
+    "global's",
+    "unsplittable",
+    "chainable",
+    "metacharacters",
+    "Xarray",
+    "Xfactory",
+    "Xmodule",
+    "Xexports",
+    "moji",
+    "bitfield",
+    "precompute",
+    "toplevel",
+    "modulos",
+    "untaint",
+    "ufeff",
+    "timestamping",
+    "loadername",
+    "laof",
+
+    "syntetic",
+    "quotemeta",
+    "paramized",
+    "existance",
+
+    "cofounder",
+    "hashchange",
+    "popstate",
+    "hotpink",
+    "navigations",
+    "compat",
+    "noimport",
+    "tmpl",
+    "csvg",
+    "repo",
+    "repos",
+    "triaging",
+    "valign",
+    "returnfalse",
+    "return'development",
+
+    "webassemblyjs",
+    "fsevents",
+    "watchpack",
+    "tapable",
+    "junit",
+    "memfs",
+    "rimraf",
+    "estree",
+    "posthtml",
+    "MCEP",
+    "traceur",
+    "atlaskit",
+    "xxhashjs",
+    "systemjs",
+
+    "sokra",
+    "Koppers",
+    "Junya",
+    "Eoksni",
+    "Ewald",
+    "Larkin",
+    "Kees",
+    "Kluskens",
+    "Phoscur",
+    "defunctzombie",
+    "shama",
+    "jhnns",
+    "substack",
+    "MONEI",
+    "medikoo",
+    "webmake",
+    "jrburke",
+    "gitter",
+    "codecov",
+    "opencollective",
+    "dependabot"
+  ],
+  "ignoreRegExpList": ["/Author.+/", "/data:.*/", "/\"mappings\":\".+\"/"],
+  "ignorePaths": ["**/dist/**"]
+}
diff --git a/lib/HotModuleReplacementPlugin.js b/lib/HotModuleReplacementPlugin.js
index a39e1ab2e..24b017a65 100644
--- a/lib/HotModuleReplacementPlugin.js
+++ b/lib/HotModuleReplacementPlugin.js
@@ -256,15 +256,15 @@ class HotModuleReplacementPlugin {
 					}
 					if (!records.hash) initialPass = true;
 					const preHash = records.preHash || "x";
-					const prepreHash = records.prepreHash || "x";
+					const prePreHash = records.prePreHash || "x";
 					if (preHash === compilation.hash) {
 						recompilation = true;
-						compilation.modifyHash(prepreHash);
+						compilation.modifyHash(prePreHash);
 						return;
 					}
-					records.prepreHash = records.hash || "x";
+					records.prePreHash = records.hash || "x";
 					records.preHash = compilation.hash;
-					compilation.modifyHash(records.prepreHash);
+					compilation.modifyHash(records.prePreHash);
 				});
 				compilation.hooks.shouldGenerateChunkAssets.tap(
 					"HotModuleReplacementPlugin",
diff --git a/package.json b/package.json
index ad342e7c0..1abb213c2 100644
--- a/package.json
+++ b/package.json
@@ -156,6 +156,9 @@
   "lint-staged": {
     "*.js|{lib,setup,bin,hot,tooling,schemas}/**/*.js|test/*.js|{test,examples}/**/webpack.config.js}": [
       "eslint --cache"
+    ],
+    "*.md|{.github,benchmark,bin,examples,hot,lib,schemas,setup,tooling}/**/*.{md,yml,yaml,js,json}": [
+      "cspell"
     ]
   },
   "jest": {