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authorCyril Cohen2019-05-22 09:55:48 +0200
committerGitHub2019-05-22 09:55:48 +0200
commit65ba1f810f43a5fc200e41298a07b1663ee3d9bd (patch)
tree70d12d8322bb2348204372c243d3082ecc9afc3d
parenta48d052a858e88b0d84dbf74fe6427656b12cc3a (diff)
Update README.md
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@@ -13,7 +13,7 @@ These formal theories cover a wide spectrum of topics, ranging from the formal t
## Installation
-If you already have OPAM installed:
+If you already have OPAM installed (a fresh or up to date version of opam 2 is required):
```
opam repo add coq-released https://coq.inria.fr/opam/released