Clarify install instructions on dependency install

README.md

@@ -51,11 +51,19 @@ To upgrade an existing installation, use:
 pip install --upgrade novelwriter
 ```
 
-Dependencies are installed automatically, but can generally be installed with:
+Dependencies are installed automatically.
+
+
+If you're running from source, dependencies can be installed with:
 ```bash
 pip install -r requirements.txt
 ```
 
+You can also install the dependencies manually with:
+```bash
+pip install pyqt5 lxml pyenchant
+```
+
 Below are some brief instructions on how to get started on different operating systems.
 
 

docs/source/int_started.rst

@@ -82,8 +82,8 @@ and it is less sophisticated than full spell checking libaries, but if you only
 files, the performance loss is not noticeable. The spell check library must be at least 3.0 to work
 with Windows. On Linux, 2.0 also works fine.
 
-If you install from PyPi, these dependencies should be installed automatically. They can be
+If you install from PyPi, these dependencies should be installed automatically. If you install from
-manually installed with:
+source, dependencies can still be installed from PyPi with:
 
 .. code-block:: console