Update python/ql/src/semmle/python/dataflow/new/internal/DataFlowPublic.qll

Co-authored-by: Rasmus Wriedt Larsen <rasmuswriedtlarsen@gmail.com>

Author: tausbn

python/ql/src/semmle/python/dataflow/new/internal/DataFlowPublic.qll

@@ -175,7 +175,7 @@ class CallCfgNode extends CfgNode {
    */
   Node getFunction() { result.asCfgNode() = node.getFunction() }
 
-  /** Gets the data-flow node corresponding to the nth argument of the call corresponding to this data-flow node */
+  /** Gets the data-flow node corresponding to the i'th argument of the call corresponding to this data-flow node */
   Node getArg(int i) { result.asCfgNode() = node.getArg(i) }
 
   /** Gets the data-flow node corresponding to the named argument of the call corresponding to this data-flow node */