Update crates/typst-library/src/foundations/calc.rs

Co-authored-by: ultimatile <[email protected]>

Author: sbtseiji

crates/typst-library/src/foundations/calc.rs

@@ -151,7 +151,7 @@ pub fn pow(
     }
 }
 
-/// eのべき乗。
+/// eの冪乗。
 ///
 /// ```example
 /// #calc.exp(1)