Update base/float.jl

Co-authored-by: Lilith Orion Hafner <[email protected]>

Author: oscardssmith

base/float.jl

@@ -689,7 +689,7 @@ function hash(x::Real, h::UInt)
     den >>= den_z
     pow += num_z - den_z
     # If the real is an Int64, UInt64, or Float64, hash as those types.
-    # To be an Integer the denominator must be 1 and the power must be positive.
+    # To be an Integer the denominator must be 1 and the power must be non-negative.
     if den == 1
         # left = ceil(log2(num)*2^pow)
         left = top_set_bit(abs(num)) + pow