spelling: requirement

Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>

Author: jsoref

utils/gyb_syntax_support/GenericNodes.py

@@ -15,7 +15,7 @@
          element_name='GenericRequirement'),
 
     # generic-requirement ->
-    #     (same-type-requrement|conformance-requirement) ','?
+    #     (same-type-requirement|conformance-requirement) ','?
     Node('GenericRequirement', kind='Syntax',
          traits=['WithTrailingComma'],
          children=[