doc: small fixes in COMPILE.md
closes
@@ -427,16 +427,17 @@ one would use:
cmake -DBUILD_SHARED=ON -DBUILD_FULL=ON -DBUILD_STATIC=OFF ..
```
-#### `ELEKTRA_DEBUG_BUILD` and `ELEKTRA_VERBOSE_BUILD`
-
-Only needed by Elektra developers.
-Make the library to output logging information.
-It is not recommended to use these options.
-
#### BUILD_DOCUMENTATION
Build documentation with doxygen (API) and ronn (man pages).
+If ronn is not found, already compiled man pages will be
+used instead.
+
+> Note: Turning off building the documentation, also turns off
+> installing the documentation, see https://issues.libelektra.org/2522
+> Then no man pages are available.
+
#### Developer Options
As developer you should enable `ENABLE_DEBUG` and `ENABLE_LOGGER`:
