diff --git a/Makefile b/Makefile
index 7edcd64f..67b4426f 100644
--- a/Makefile
+++ b/Makefile
@@ -66,7 +66,7 @@ dist: clean-build clean-pyc clean-docs ## builds source and wheel package
 
 .PHONY: create-pot
 create-pot:  ## generate .pot file
-	xgettext --add-comments --from-code=utf-8 --output=po/reuse.pot src/reuse/**.py
+	xgettext --add-comments --from-code=utf-8 --output=po/reuse.pot src/reuse/**/*.py
 	xgettext --add-comments --output=po/click.pot "${VIRTUAL_ENV}"/lib/python*/*-packages/click/**.py
 	msgcat --output=po/reuse.pot po/reuse.pot po/click.pot
 	for name in po/*.po; do \
diff --git a/src/reuse/cli/common.py b/src/reuse/cli/common.py
index 0e185f27..1f943fba 100644
--- a/src/reuse/cli/common.py
+++ b/src/reuse/cli/common.py
@@ -106,7 +106,7 @@ def handle_parse_result(
 
 
 def spdx_identifier(text: str) -> Expression:
-    """factory for creating SPDX expressions."""
+    """Factory for creating SPDX expressions."""
     try:
         return _LICENSING.parse(text)
     except (ExpressionError, ParseError) as error: