diff --git a/src/pineko/cli/compare.py b/src/pineko/cli/compare.py
index 0a077ff2..92e4d986 100644
--- a/src/pineko/cli/compare.py
+++ b/src/pineko/cli/compare.py
@@ -34,7 +34,7 @@ def subcommand(fktable_path, grid_path, max_as, max_al, pdfs, xir, xif):
 
     if len(pdfs) > 2:
         raise ValueError(
-            "Pineko supports the concolution with maximum 2 different PDF sets."
+            "Pineko supports the convolution with maximum 2 different PDF sets."
         )
     pdf1 = pdfs[0]
     pdf2 = pdfs[1] if len(pdfs) == 2 else None