diff --git a/en/02_Development_environment.adoc b/en/02_Development_environment.adoc
index 5cf549db..f8383823 100644
--- a/en/02_Development_environment.adoc
+++ b/en/02_Development_environment.adoc
@@ -129,7 +129,7 @@ find_package (Vulkan REQUIRED)
 add_library(VulkanCppModule)
 add_library(Vulkan::cppm ALIAS VulkanCppModule)
 
-ttarget_compile_definitions(VulkanCppModule PUBLIC
+target_compile_definitions(VulkanCppModule PUBLIC
         VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1
         VULKAN_HPP_NO_STRUCT_CONSTRUCTORS=1
 )