diff --git a/dev-libs/actor-framework/metadata.xml b/dev-libs/actor-framework/metadata.xml
index b81b078a37a85..9e4f4846bfbc5 100644
--- a/dev-libs/actor-framework/metadata.xml
+++ b/dev-libs/actor-framework/metadata.xml
@@ -3,23 +3,23 @@
 <pkgmetadata>
 <!-- maintainer-needed -->
 	<use>
-        <flag name="benchmarks">Due to the number of out-of-tree deps, these only get installed as docs</flag>
-        <flag name="boost">Make use of Boost's ASIO functionality</flag>
-        <flag name="cash">Build the C Actor Shell for introspection and debugging</flag>
-        <flag name="debug">Raises log-level to DEBUG, enables runtime checks and address sanitizer</flag>
-        <flag name="doc">Compiles and installs the documentation as PDF and HTML</flag>
-        <flag name="examples">Installs the provided example source files</flag>
-        <flag name="mem_management">Enables built-in memory management</flag>
-        <flag name="nexus">Nexus is the central component for CAF's runtime inspection</flag>
-        <flag name="opencl">Compiles against the provided opencl implementation</flag>
-        <flag name="riac">Runtime inspection and configuration</flag>
-        <flag name="static">Provides a static build</flag>
-        <flag name="test">Builds the provided unit tests</flag>
-    </use>
-    <upstream>
-        <remote-id type="github">actor-framework/actor-framework</remote-id>
-    </upstream>
-    <longdescription lang="en">
-        An implementation of the Actor Model of distributed computation in C++.
-    </longdescription>
+		<flag name="benchmarks">Due to the number of out-of-tree deps, these only get installed as docs</flag>
+		<flag name="boost">Make use of Boost's ASIO functionality</flag>
+		<flag name="cash">Build the C Actor Shell for introspection and debugging</flag>
+		<flag name="debug">Raises log-level to DEBUG, enables runtime checks and address sanitizer</flag>
+		<flag name="doc">Compiles and installs the documentation as PDF and HTML</flag>
+		<flag name="examples">Installs the provided example source files</flag>
+		<flag name="mem_management">Enables built-in memory management</flag>
+		<flag name="nexus">Nexus is the central component for CAF's runtime inspection</flag>
+		<flag name="opencl">Compiles against the provided opencl implementation</flag>
+		<flag name="riac">Runtime inspection and configuration</flag>
+		<flag name="static">Provides a static build</flag>
+		<flag name="test">Builds the provided unit tests</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">actor-framework/actor-framework</remote-id>
+	</upstream>
+	<longdescription lang="en">
+		An implementation of the Actor Model of distributed computation in C++.
+	</longdescription>
 </pkgmetadata>