Update relative-json-pointer.xml

Fix typo!

Co-authored-by: Ethan <133719+notEthan@users.noreply.github.com>

Author: Relequestual

relative-json-pointer.xml

@@ -125,7 +125,7 @@
                 Evaluation begins by processing the non-negative-integer prefix.
                 This can be found by taking the longest continuous sequence of decimal
                 digits available, starting from the beginning of the string, taking
-                the decimal numerical value. If the value is zero, the following stepps
+                the decimal numerical value. If the value is zero, the following steps
                 are skipped. If this value is more than zero, then the following steps
                 are repeated that number of times:
                 <list>