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-rw-r--r--build/website/mathematics/calculus/source/derivative_identities.ms2
1 files changed, 1 insertions, 1 deletions
diff --git a/build/website/mathematics/calculus/source/derivative_identities.ms b/build/website/mathematics/calculus/source/derivative_identities.ms
index 704034f..4f91fce 100644
--- a/build/website/mathematics/calculus/source/derivative_identities.ms
+++ b/build/website/mathematics/calculus/source/derivative_identities.ms
@@ -39,7 +39,7 @@ and as h becomes infinitely small, the resulting derivative is 2x + 1.
.PP
But we know already that the slope of x was equal to one. You learn that in 9th grade.
-And we know that 2x is the derivative of $x^2$. So it seems like this should be true:
+And we know that 2x is the derivative of $x sup 2$. So it seems like this should be true:
.EQ
(f + g)' = f' + g'