Update docs/language/ql-training-rst/slide-snippets/local-data-flow.rst

Co-Authored-By: Luke Cartey <5377966+lukecartey@users.noreply.github.com>

docs/language/ql-training-rst/slide-snippets/local-data-flow.rst

@@ -2,7 +2,7 @@ Data flow analysis
 ==================
 
 - Models flow of data through the program.
-- Implemented in the module ``semmle.code.<language>.dataflow.DataFlow``.
+- Implemented in the module ``semmle.code.<lang>.dataflow.DataFlow``.
 - Class ``DataFlow::Node`` represents program elements that have a value, such as expressions and function parameters.
 
   - Nodes of the data flow graph.
@@ -157,4 +157,4 @@ Taint tracking
   
   - `Java taint-tracking library <https://help.semmle.com/qldoc/java/semmle/code/java/dataflow/TaintTracking.qll/module.TaintTracking.html>`__ 
   - `C/C++ taint-tracking library <https://help.semmle.com/qldoc/cpp/semmle/code/cpp/dataflow/TaintTracking.qll/module.TaintTracking.html>`__ 
-  - `C# taint-tracking library <https://help.semmle.com/qldoc/csharp/semmle/code/csharp/dataflow/TaintTracking.qll/module.TaintTracking.html>`__ 
+  - `C# taint-tracking library <https://help.semmle.com/qldoc/csharp/semmle/code/csharp/dataflow/TaintTracking.qll/module.TaintTracking.html>`__