emdash.

docs/kotlin.md

diff --git a/docs/kotlin.md b/docs/kotlin.md
index 0961774..9245776 100755
--- a/docs/kotlin.md
+++ b/docs/kotlin.md
@@ -420,7 +420,7 @@
 | <a id="kt_kotlinc_options-x_enable_incremental_compilation"></a>x_enable_incremental_compilation |  Enable incremental compilation   | Boolean | optional |  `False`  |
 | <a id="kt_kotlinc_options-x_explicit_api_mode"></a>x_explicit_api_mode |  Enable explicit API mode for Kotlin libraries.   | String | optional |  `"off"`  |
 | <a id="kt_kotlinc_options-x_inline_classes"></a>x_inline_classes |  Enable experimental inline classes   | Boolean | optional |  `False`  |
-| <a id="kt_kotlinc_options-x_jdk_release"></a>x_jdk_release |  Compile against the specified JDK API version, similarly to javac's '-release'. This requires JDK 9 or newer. The supported versions depend on the JDK used; for JDK 17+, the supported versions are 1.8 and 9–21. This also sets the value of '-jvm-target' to be equal to the selected JDK version.   | String | optional |  `""`  |
+| <a id="kt_kotlinc_options-x_jdk_release"></a>x_jdk_release |  Compile against the specified JDK API version, similarly to javac's '-release'. This requires JDK 9 or newer. The supported versions depend on the JDK used; for JDK 17+, the supported versions are 1.8 and 9-21. This also sets the value of '-jvm-target' to be equal to the selected JDK version.   | String | optional |  `""`  |
 | <a id="kt_kotlinc_options-x_jspecify_annotations"></a>x_jspecify_annotations |  Controls how JSpecify annotations are treated. Options are 'default', 'ignore', 'warn', and 'strict'.   | String | optional |  `""`  |
 | <a id="kt_kotlinc_options-x_jsr_305"></a>x_jsr_305 |  Specifies how to handle JSR-305 annotations in Kotlin code. Options are 'default', 'ignore', 'warn', and 'strict'.   | String | optional |  `""`  |
 | <a id="kt_kotlinc_options-x_jvm_default"></a>x_jvm_default |  Specifies that a JVM default method should be generated for non-abstract Kotlin interface member.   | String | optional |  `"off"`  |

src/main/starlark/core/options/opts.kotlinc.bzl

diff --git a/src/main/starlark/core/options/opts.kotlinc.bzl b/src/main/starlark/core/options/opts.kotlinc.bzl
index 01f37af..0573489 100644
--- a/src/main/starlark/core/options/opts.kotlinc.bzl
+++ b/src/main/starlark/core/options/opts.kotlinc.bzl
@@ -233,7 +233,7 @@
         args = dict(
             default = "",
             doc = """Compile against the specified JDK API version, similarly to javac's '-release'. This requires JDK 9 or newer.
-                     The supported versions depend on the JDK used; for JDK 17+, the supported versions are 1.8 and 9–21.
+                     The supported versions depend on the JDK used; for JDK 17+, the supported versions are 1.8 and 9-21.
                      This also sets the value of '-jvm-target' to be equal to the selected JDK version.""",
             values = ["1.6", "1.8", "9", "10", "11", "12", "13", "15", "16", "17", "21"],
         ),