diff --git a/README.md b/README.md
index 5c52be6c3741eb0318319f43e417e77d28444427..d5e3bd458d84b9c39ecd1290dbd7a0e15d03e500 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # docker_images
 
-Dockerfiles for different builds
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+Dockerfiles for different builds
+
+- clang: used for compilation in C, based on gcc:latest (ubuntu)
+- pandoc: based on alpine and used for pandoc doc generation
+- rust: used for rust compilation/testing
+- rust_pandoc: used for rust_doc to pandoc document generation
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