diff --git a/docs/reference.md b/docs/reference.md
index ddf73e6..9104076 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -804,6 +804,9 @@
       As an example, "10.0.15063.0" can be specified to use Creators Update SDK
       instead of the default one.
 
+  --ninja-executable=<string>
+      Can be used to specify the ninja executable to use when building.
+
   --ninja-extra-args=<string>
       This string is passed without any quoting to the ninja invocation
       command-line. Can be used to configure ninja flags, like "-j".
diff --git a/src/gn/command_gen.cc b/src/gn/command_gen.cc
index 0f4ed70..e391d26 100644
--- a/src/gn/command_gen.cc
+++ b/src/gn/command_gen.cc
@@ -493,6 +493,9 @@
       As an example, "10.0.15063.0" can be specified to use Creators Update SDK
       instead of the default one.
 
+  --ninja-executable=<string>
+      Can be used to specify the ninja executable to use when building.
+
   --ninja-extra-args=<string>
       This string is passed without any quoting to the ninja invocation
       command-line. Can be used to configure ninja flags, like "-j".