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 # Condainer - Compressed Conda environments for HPC systems
 
-![avatar](./fig/condainer_small.jpg)
-
 ## TL;DR - Quick start guide
 
 Condainer puts Conda environments into compressed (squashfs) images which makes
@@ -33,6 +31,9 @@ shell session, sililar to plain Conda or to a Python virtual environment:
 source activate
 ```
 
+Please note that `source activate` will only work with bourne shells (e.g.
+`bash` or `zsh`), not with the older C shells and korn shells.
+
 ### Alternatively, run an executable from a compressed environment directly
 
 In case you do not want to activate the environment, you can run individual executables from the environment transparently, e.g.
@@ -202,4 +203,4 @@ No installer is downloaded in case that variable is defined.
 
 Condainer is available under the MIT license at <https://gitlab.mpcdf.mpg.de/mpcdf/condainer> or <https://github.com/reuterk/condainer>.
 
-Copyright © 2023- Klaus Reuter <klaus.reuter@mpcdf.mpg.de>, Max Planck Computing and Data Facility
\ No newline at end of file
+Copyright © 2023- Klaus Reuter <klaus.reuter@mpcdf.mpg.de>, Max Planck Computing and Data Facility