Update README.md

Author: a8m

README.md

@@ -57,11 +57,11 @@
   - [percent](#percent)
   - [radix](#radix)
   - [sum](#sum)
-  - [degrees] (#degrees)
-  - [radians] (#radians)
-  - [shortFmt] (#shortfmt)
-  - [byteFmt] (#bytefmt)
-  - [kbFmt] (#kbfmt)
+  - [degrees](#degrees)
+  - [radians](#radians)
+  - [shortFmt](#shortfmt)
+  - [byteFmt](#bytefmt)
+  - [kbFmt](#kbfmt)
 - [Boolean](#boolean)
   - [isNull](#isnull)
   - [isDefined](#isdefined)