diff --git a/docs/usage.md b/docs/usage.md
index 23641d0f0..8811eb1d7 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -158,22 +158,22 @@ are also required:
 -I $IA2_PATH/runtime/libia2/include
 -I $IA2_PATH/runtime/partition-alloc/include
 -Werror=incompatible-pointer-types
--Wl,--wrap,pthread_create
--Wl,--wrap,calloc
--Wl,--wrap,free
--Wl,--wrap,malloc
--Wl,--wrap,memalign
--Wl,--wrap,posix_memalign
--Wl,--wrap,pvalloc
--Wl,--wrap,realloc
--Wl,--wrap,valloc
--Wl,--wrap,malloc_usable_size
--Wl,--wrap,realpath
--Wl,--wrap,strdup
--Wl,--wrap,strndup
--Wl,--wrap,getcwd
--Wl,--wrap,asprintf
--Wl,--wrap,vasprintf
+-Wl,--wrap=pthread_create
+-Wl,--wrap=calloc
+-Wl,--wrap=free
+-Wl,--wrap=malloc
+-Wl,--wrap=memalign
+-Wl,--wrap=posix_memalign
+-Wl,--wrap=pvalloc
+-Wl,--wrap=realloc
+-Wl,--wrap=valloc
+-Wl,--wrap=malloc_usable_size
+-Wl,--wrap=realpath
+-Wl,--wrap=strdup
+-Wl,--wrap=strndup
+-Wl,--wrap=getcwd
+-Wl,--wrap=asprintf
+-Wl,--wrap=vasprintf
 -pthread
 -Wl,-z,now
 -Wl,-z,relro