diff --git a/src/frequenz/repo/config/__init__.py b/src/frequenz/repo/config/__init__.py
index fbbfeec8..753e5a3f 100644
--- a/src/frequenz/repo/config/__init__.py
+++ b/src/frequenz/repo/config/__init__.py
@@ -35,8 +35,8 @@
 nox.configure(RepositoryType.LIB)
 ```
 
-Again, make sure to pick the correct project typedefault configuration based on the type of your
-project (`actor_config`, `api_config`, `app_config`, `lib_config`, `model_config`).
+Again, make sure to pick the correct project default configuration based on the type of
+your project (`actor_config`, `api_config`, `app_config`, `lib_config`, `model_config`).
 
 If you need to use some custom configuration, you can start from the default settings in
 the [`frequenz.repo.config.nox.default`][] module,
@@ -312,7 +312,7 @@
    typed.
 
 3. Exclude the `src/conftest.py` file from the distribution package, as it shouldn't be
-   shipped with the code, it is only for delelopment purposes. To do so, add the
+   shipped with the code, it is only for development purposes. To do so, add the
    following line to the `MANIFEST.in` file:
 
     ```
diff --git a/src/frequenz/repo/config/mkdocs/mike.py b/src/frequenz/repo/config/mkdocs/mike.py
index a5e9b6ba..a2ba2e22 100644
--- a/src/frequenz/repo/config/mkdocs/mike.py
+++ b/src/frequenz/repo/config/mkdocs/mike.py
@@ -136,10 +136,10 @@ def build_mike_version(repo_info: RepoVersionInfo) -> MikeVersionInfo:
     )
 
 
-_is_version_re = re.compile(r"^v(\d+).(\d+)(-dev|-pre)?$")
-_stable_to_semver_re = re.compile(r"^v(\d+).(\d+)$")
-_pre_to_semver_re = re.compile(r"^v(\d+).(\d+)-pre$")
-_dev_to_semver_re = re.compile(r"^v(\d+).(\d+)-dev$")
+_is_version_re = re.compile(r"^v(\d+)\.(\d+)(?:-dev|-pre)?$")
+_stable_to_semver_re = re.compile(r"^v(\d+)\.(\d+)$")
+_pre_to_semver_re = re.compile(r"^v(\d+)\.(\d+)-pre$")
+_dev_to_semver_re = re.compile(r"^v(\d+)\.(\d+)-dev$")
 
 
 def _to_fake_sortable_semver(version: str) -> str:
@@ -207,6 +207,9 @@ def compare_mike_version(version1: str, version2: str) -> int:
     if is_version_v2:  # version1 is not a version
         return 1
 
+    if version1 == version2:
+        return 0
+
     return -1 if version1 < version2 else 1
 
 
diff --git a/src/frequenz/repo/config/nox/__init__.py b/src/frequenz/repo/config/nox/__init__.py
index 1f96662b..8cd529eb 100644
--- a/src/frequenz/repo/config/nox/__init__.py
+++ b/src/frequenz/repo/config/nox/__init__.py
@@ -15,7 +15,7 @@
 nox.configure(RepositoryType.LIB)
 ```
 
-Again, make sure to pick the correct project typedefault configuration based on the type
+Again, make sure to pick the correct project default configuration based on the type
 of your project (`actor_config`, `api_config`, `app_config`, `lib_config`,
 `model_config`).
 
diff --git a/src/frequenz/repo/config/setuptools/grpc_tools.py b/src/frequenz/repo/config/setuptools/grpc_tools.py
index 9d0559eb..d0da3362 100644
--- a/src/frequenz/repo/config/setuptools/grpc_tools.py
+++ b/src/frequenz/repo/config/setuptools/grpc_tools.py
@@ -13,7 +13,8 @@
 import pathlib as _pathlib
 import subprocess as _subprocess
 import sys as _sys
-from typing import cast
+from collections.abc import Iterable
+from typing import assert_never, cast
 
 import setuptools as _setuptools
 import setuptools.command.build as _build_command
@@ -30,8 +31,8 @@ class CompileProto(_setuptools.Command):
     proto_glob: str
     """The glob pattern to use to find the protobuf files."""
 
-    include_paths: str
-    """Comma-separated list of paths to include when compiling the protobuf files."""
+    include_paths: str | Iterable[str]
+    """Iterable or comma-separated list of paths to include when compiling the protobuf files."""
 
     py_path: str
     """The path of the root directory where the Python files will be generated."""
@@ -72,7 +73,7 @@ def initialize_options(self) -> None:
 
         self.proto_path = config.proto_path
         self.proto_glob = config.proto_glob
-        self.include_paths = ",".join(config.include_paths)
+        self.include_paths = config.include_paths
         self.py_path = config.py_path
 
     def finalize_options(self) -> None:
@@ -80,7 +81,17 @@ def finalize_options(self) -> None:
 
     def run(self) -> None:
         """Compile the Python protobuf files."""
-        include_paths = self.include_paths.split(",")
+        include_paths: Iterable[str]
+        match self.include_paths:
+            case str() as str_paths:
+                # If it comes as a comma-separated string, split it into a list,
+                # stripping whitespace and ignoring empty strings.
+                include_paths = filter(len, map(str.strip, str_paths.split(",")))
+            case Iterable() as paths_it:
+                include_paths = paths_it
+            case unexpected:
+                assert_never(unexpected)
+
         proto_files = [
             str(p) for p in _pathlib.Path(self.proto_path).rglob(self.proto_glob)
         ]
diff --git a/tests/mkdocs/test_mike.py b/tests/mkdocs/test_mike.py
index f9f7d8f9..38b0714a 100644
--- a/tests/mkdocs/test_mike.py
+++ b/tests/mkdocs/test_mike.py
@@ -266,6 +266,8 @@ def test_build_mike_version(
         ("v2.0-pre", "v1.0-pre", 1),
         ("v2.0", "v1.0-pre", 1),
         ("blah", "v1.0-dev", 1),
+        ("blah", "blah", 0),
+        ("v1x0-dev", "v1.0-dev", 1),
         ("alpha", "beta", -1),
     ],
 )