diff --git a/docs/api/description/project-target.md b/docs/api/description/project-target.md
index ecba4f69..6408648d 100644
--- a/docs/api/description/project-target.md
+++ b/docs/api/description/project-target.md
@@ -4850,7 +4850,7 @@ installdir
 If we configure:
 
 ```lua
-set_prefix("prefixdir")
+set_prefixdir("prefixdir")
 ```
 
 It is to add a general subdirectory:
@@ -4866,7 +4866,7 @@ installdir
 We can also configure bin, lib and include subdirectories separately, for example:
 
 ```lua
-set_prefix("prefixdir", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
+set_prefixdir("prefixdir", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
 ```
 
 ```sh
@@ -4880,7 +4880,7 @@ installdir
 If we do not configure prefixdir and only modify the bin subdirectory, we can configure prefixdir to `/`.
 
 ```lua
-set_prefix("/", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
+set_prefixdir("/", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
 ```
 
 ```sh
diff --git a/docs/zh/api/description/project-target.md b/docs/zh/api/description/project-target.md
index 62ef6fa6..7c0b643c 100644
--- a/docs/zh/api/description/project-target.md
+++ b/docs/zh/api/description/project-target.md
@@ -4934,7 +4934,7 @@ installdir
 如果我们配置：
 
 ```lua
-set_prefix("prefixdir")
+set_prefixdir("prefixdir")
 ```
 
 就是增加一个总的子目录：
@@ -4950,7 +4950,7 @@ installdir
 我们还可以单独配置 bin, lib 和 include 子目录，例如：
 
 ```lua
-set_prefix("prefixdir", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
+set_prefixdir("prefixdir", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
 ```
 
 ```sh
@@ -4964,7 +4964,7 @@ installdir
 如果，我们不配置 prefixdir，仅仅修改 bin 子目录，可以将 prefixdir 配置成 `/`。
 
 ```lua
-set_prefix("/", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
+set_prefixdir("/", {bindir = "mybin", libdir = "mylib", includedir = "myinc"})
 ```
 
 ```sh