diff --git a/Jenkinsfiles/README.md b/Jenkinsfiles/README.md
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+# Jenkins
+
+Kata Containers uses [Jenkins](https://jenkins.io/)
+for [its main CI](http://jenkins.katacontainers.io/).
+
+This directory contains support files for the Jenkins
+[pipeline](https://jenkins.io/doc/book/pipeline/)
+[plugin](https://wiki.jenkins.io/display/JENKINS/Pipeline+Plugin).
diff --git a/obs-packaging/README.md b/obs-packaging/README.md
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+# Building under OBS
+
+SUSE's [Open Build Service (OBS)](https://openbuildservice.org) is used to
+build [the official Kata Containers packages](https://build.opensuse.org/project/subprojects/home:katacontainers).
+
+This directory contains tooling and packaging metadata to build all Kata
+components with OBS.
+
+See
+[the Kata installation documentation](https://github.com/kata-containers/documentation/blob/master/install/README.md)
+for instructions on how to install the official packages.
diff --git a/qemu/README.md b/qemu/README.md
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+# QEMU patches
+
+This directory contains patches used to build QEMU.
diff --git a/static-build/README.md b/static-build/README.md
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+# Static build
+
+This directory contains files to build static versions of Kata Containers.