diff --git a/README.md b/README.md
index 731e2050a5..598dcbcd3c 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,8 @@ Options:
   --ipc [value]                             Listen to a unix socket.
   --live-reload                             Enables reload/refresh the page(s) when file changes are detected (enabled by default).
   --no-live-reload                          Negative 'live-reload' option.
-  --magic-html                              Enables/Disables magic HTML routes (enabled by default).
+  --magic-html                              Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for
+                                            example '/main' for 'main.js').
   --no-magic-html                           Negative 'magic-html' option.
   --open [value...]                         Allows to configure dev server to open the browser(s) and page(s) after server had been started (set it to
                                             true to open your default browser).
diff --git a/bin/cli-flags.js b/bin/cli-flags.js
index 36d94ca44f..ed9aece694 100644
--- a/bin/cli-flags.js
+++ b/bin/cli-flags.js
@@ -539,11 +539,15 @@ module.exports = {
       {
         type: "boolean",
         multiple: false,
-        description: "Enables/Disables magic HTML routes (enabled by default).",
+        description:
+          "Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').",
         path: "magicHtml",
       },
     ],
-    description: "Enables/Disables magic HTML routes (enabled by default).",
+    description:
+      "Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').",
+    negatedDescription:
+      "Disables magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').",
     simpleType: "boolean",
     multiple: false,
   },
diff --git a/lib/options.json b/lib/options.json
index 8cc59dc8ed..dba43c89f1 100644
--- a/lib/options.json
+++ b/lib/options.json
@@ -333,7 +333,7 @@
     },
     "MagicHTML": {
       "type": "boolean",
-      "description": "Enables/Disables magic HTML routes (enabled by default).",
+      "description": "Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').",
       "link": "https://webpack.js.org/configuration/dev-server/#devservermagichtml"
     },
     "OnAfterSetupMiddleware": {
diff --git a/test/__snapshots__/validate-options.test.js.snap.webpack4 b/test/__snapshots__/validate-options.test.js.snap.webpack4
index 2000a987b1..c74393cbf8 100644
--- a/test/__snapshots__/validate-options.test.js.snap.webpack4
+++ b/test/__snapshots__/validate-options.test.js.snap.webpack4
@@ -442,7 +442,7 @@ exports[`options validate should throw an error on the "liveReload" option with
 exports[`options validate should throw an error on the "magicHtml" option with 'string' value 1`] = `
 "ValidationError: Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
  - options.magicHtml should be a boolean.
-   -> Enables/Disables magic HTML routes (enabled by default).
+   -> Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
    -> Read more at https://webpack.js.org/configuration/dev-server/#devservermagichtml"
 `;
 
diff --git a/test/__snapshots__/validate-options.test.js.snap.webpack5 b/test/__snapshots__/validate-options.test.js.snap.webpack5
index 2000a987b1..c74393cbf8 100644
--- a/test/__snapshots__/validate-options.test.js.snap.webpack5
+++ b/test/__snapshots__/validate-options.test.js.snap.webpack5
@@ -442,7 +442,7 @@ exports[`options validate should throw an error on the "liveReload" option with
 exports[`options validate should throw an error on the "magicHtml" option with 'string' value 1`] = `
 "ValidationError: Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
  - options.magicHtml should be a boolean.
-   -> Enables/Disables magic HTML routes (enabled by default).
+   -> Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
    -> Read more at https://webpack.js.org/configuration/dev-server/#devservermagichtml"
 `;
 
diff --git a/test/cli/__snapshots__/basic.test.js.snap.webpack4 b/test/cli/__snapshots__/basic.test.js.snap.webpack4
index 5d02f9c6e4..27f826749d 100644
--- a/test/cli/__snapshots__/basic.test.js.snap.webpack4
+++ b/test/cli/__snapshots__/basic.test.js.snap.webpack4
@@ -99,8 +99,8 @@ Options:
   --ipc [value]                             Listen to a unix socket.
   --live-reload                             Enables reload/refresh the page(s) when file changes are detected (enabled by default).
   --no-live-reload                          Disables reload/refresh the page(s) when file changes are detected (enabled by default)
-  --magic-html                              Enables/Disables magic HTML routes (enabled by default).
-  --no-magic-html                           Negative 'magic-html' option.
+  --magic-html                              Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
+  --no-magic-html                           Disables magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
   --open [value...]                         Allows to configure dev server to open the browser(s) and page(s) after server had been started (set it to true to open your default browser).
   --no-open                                 Does not open the default browser.
   --open-target <value...>                  Opens specified page in browser.
diff --git a/test/cli/__snapshots__/basic.test.js.snap.webpack5 b/test/cli/__snapshots__/basic.test.js.snap.webpack5
index 3703b3570b..a9abd9cc46 100644
--- a/test/cli/__snapshots__/basic.test.js.snap.webpack5
+++ b/test/cli/__snapshots__/basic.test.js.snap.webpack5
@@ -98,7 +98,7 @@ Options:
   --ipc [value]                             Listen to a unix socket.
   --live-reload                             Enables reload/refresh the page(s) when file changes are detected (enabled by default).
   --no-live-reload                          Negative 'live-reload' option.
-  --magic-html                              Enables/Disables magic HTML routes (enabled by default).
+  --magic-html                              Tells dev-server whether to enable magic HTML routes (routes corresponding to your webpack output, for example '/main' for 'main.js').
   --no-magic-html                           Negative 'magic-html' option.
   --open [value...]                         Allows to configure dev server to open the browser(s) and page(s) after server had been started (set it to true to open your default browser).
   --no-open                                 Negative 'open' option.