Typo fix. [skip ci]

docs/markdown/CMake-module.md

@@ -1,7 +1,7 @@
 # CMake module
 
 **Note**: the functionality of this module is governed by [Meson's
-  rules on mixing build systems](Mixing-build-systems.md].
+  rules on mixing build systems](Mixing-build-systems.md).
 
 This module provides helper tools for generating cmake package files.
 It also supports the usage of CMake based subprojects, similar to

docs/markdown/snippets/uninstalled-pkgconfig.md

@@ -1,7 +1,7 @@
 ## Uninstalled pkg-config files
 
 **Note**: the functionality of this module is governed by [Meson's
-  rules on mixing build systems](Mixing-build-systems.md].
+  rules on mixing build systems](Mixing-build-systems.md).
 
 The `pkgconfig` module now generates uninstalled pc files as well. For any generated
 `foo.pc` file, an extra `foo-uninstalled.pc` file is placed into