diff --git a/_docs_build/build.php b/_docs_build/build.php
index 94130918a..ed5c9974e 100755
--- a/_docs_build/build.php
+++ b/_docs_build/build.php
@@ -35,7 +35,7 @@
             ->setImagesDir(__DIR__.'/output/_images')
             ->setImagesPublicPrefix('_images')
             ->setTheme('rtd')
-            ->diableBuildCache()
+            ->disableBuildCache()
         ;
 
         $buildConfig->setExcludedPaths(['.github/', '_build/']);