diff --git a/contrib/pgcrypto/imath.h b/contrib/pgcrypto/imath.h
index 0e1676d04e..7b4497b3c6 100644
--- a/contrib/pgcrypto/imath.h
+++ b/contrib/pgcrypto/imath.h
@@ -107,7 +107,7 @@ extern const mp_result MP_MINERR;
 void		mp_int_default_precision(mp_size ndigits);
 
 /** Sets the number of digits below which multiplication will use the standard
-	quadratic "schoolbook" multiplcation algorithm rather than Karatsuba-Ofman.
+	quadratic "schoolbook" multiplication algorithm rather than Karatsuba-Ofman.
 	Requires `ndigits >= sizeof(mp_word)`. */
 void		mp_int_multiply_threshold(mp_size ndigits);