note for target development installation

docs/source/installation.rst

@@ -94,22 +94,27 @@ then after cloning the offline calibration package from git, the requirements ca
 Development Installation
 ------------------------
 
-For a development installation, which automatically picks up (most) changes,
-first install the dependencies as above, but then install the tool-chain 
-separately in development mode::
+For a development installation in your home directory, which automatically 
+picks up (most) changes, first install the dependencies as above, 
+but then install the tool-chain separately in development mode::
 
-   pip install -e .
+   pip install -e . --user
 
+.. note:: Using "- -target" for development installation in a preferred directory can lead to errors.
+
+.. note:: For development installation in karabo environment "- -user" is not needed.
 
 Installation of New Notebooks
 -----------------------------
 
-To install new, previously untracked notebooks repeat the installation of
-the the tool-chain, without prerequisites, from the package base directory::
+To install new, previously untracked notebooks in the home directory, 
+repeat the installation of the the tool-chain, without requirments, 
+from the package base directory::
 
-    pip install --upgrade .
+    pip install --upgrade . --user
     
-Or, in case you are activily developing::
+Or, in case you are actively developing::
+
+    pip install -e . --user
 
-    pip install -e .