diff --git a/src/fontra_glyphs/backend.py b/src/fontra_glyphs/backend.py
index 4180816..91db415 100644
--- a/src/fontra_glyphs/backend.py
+++ b/src/fontra_glyphs/backend.py
@@ -492,8 +492,6 @@ def _writeRawGlyph(self, glyphName, f):
 
     def getGlyphFilePath(self, glyphName):
         glyphsPath = pathlib.Path(self.gsFilePath) / "glyphs"
-        # TODO: Get the right glyph file name might be challenging,
-        # because for example the glyph A-cy is stored in the package as A_-cy.glyph
         realGlyphName = getGlyphspackageGlyphFileName(glyphName)
         return glyphsPath / (realGlyphName + ".glyph")
 
diff --git a/src/fontra_glyphs/utils.py b/src/fontra_glyphs/utils.py
index 5cef78f..12ba18b 100644
--- a/src/fontra_glyphs/utils.py
+++ b/src/fontra_glyphs/utils.py
@@ -3,6 +3,10 @@
 
 
 def getGlyphspackageGlyphFileName(glyphName):
+    # Get the right glyph file name might be challenging, because for example
+    # the glyph "A-cy" is stored in the package as A_-cy.glyph.
+    # I could not find any documentation about this, yet. We may need to figure
+    # this out over time and extend the unittest.
     nameParts = glyphName.split("-")
     firstPart = (
         f"{nameParts[0]}_"