diff --git a/src/matmul.jl b/src/matmul.jl
index 311ddfcf..682691b4 100644
--- a/src/matmul.jl
+++ b/src/matmul.jl
@@ -465,7 +465,7 @@ end
     throw(DimensionMismatch(
             LazyString(
             "incompatible destination size: ",
-            lazy"the destination $strC of $size_or_len_str_C $C_size_len is incomatible with the product of a $strA of size $sizeA and a $strB of $size_or_len_str_B $B_size_len. ",
+            lazy"the destination $strC of $size_or_len_str_C $C_size_len is incompatible with the product of a $strA of size $sizeA and a $strB of $size_or_len_str_B $B_size_len. ",
             lazy"The destination must be of $size_or_len_str_dest $destsize."
             )
         )