Update src/array_api_extra/_delegation.py

Co-authored-by: Lucas Colley <lucas.colley8@gmail.com>

Author: paddyroddy

src/array_api_extra/_delegation.py

@@ -126,7 +126,7 @@ def nan_to_num(
     If `x` is inexact, NaN is replaced by zero or by the user defined value in the
     `fill_value` keyword, infinity is replaced by the largest finite floating
     point value representable by ``x.dtype``, and -infinity is replaced by the
-    most negative finite floating point values representable by ``x.dtype``.
+    most negative finite floating point value representable by ``x.dtype``.
 
     For complex dtypes, the above is applied to each of the real and
     imaginary components of `x` separately.