diff --git a/src/doc/rustdoc/src/command-line-arguments.md b/src/doc/rustdoc/src/command-line-arguments.md
index aba485f752ab2..fcab2037634f0 100644
--- a/src/doc/rustdoc/src/command-line-arguments.md
+++ b/src/doc/rustdoc/src/command-line-arguments.md
@@ -359,3 +359,9 @@ This flag allows rustdoc to treat your rust code as the given edition. It will c
 the given edition as well. As with `rustc`, the default edition that `rustdoc` will use is `2015`
 (the first edition).
 
+### `disable-minification`: prevent minification of CSS and JS files
+
+By default, all JS and CSS files are minified in order to make them smaller. However,
+sometimes there are bugs in the minification process, or the files are harder to read
+when this happens. Passing this flag to rustdoc skips the minifier, passing the original
+JS and CSS all the way into the final output.
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index f11e268b9092c..438e610e28b10 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -286,7 +286,7 @@ fn opts() -> Vec<RustcOptGroup> {
                      "How errors and other messages are produced",
                      "human|json|short")
         }),
-        unstable("disable-minification", |o| {
+        stable("disable-minification", |o| {
              o.optflag("",
                        "disable-minification",
                        "Disable minification applied on JS files")
diff --git a/src/test/rustdoc/disable-minification.rs b/src/test/rustdoc/disable-minification.rs
new file mode 100644
index 0000000000000..810916d945bd9
--- /dev/null
+++ b/src/test/rustdoc/disable-minification.rs
@@ -0,0 +1,10 @@
+// compile-flags:--disable-minification
+
+// @has search-index.js
+// @!has - 'var R'
+
+/// The quick brown fox jumps over the lazy dog.
+pub struct SomeStruct;
+
+/// The quick brown fox jumps over the lazy dog.
+pub fn some_fn() {}