correct naming error

templates/main.html

@@ -58,7 +58,7 @@
             <input type="checkbox" name="no_cultural_k" value="no cultural knowledge" {{ no_cultural_checked }}> no cultural knowledge (v)<br>
             <input type="checkbox" name="situational_k" value="situational knowledge" {{ situational_checked }}> situational knowledge (+)<br>
             <input type="checkbox" name="normative_k" value="normative knowledge" {{ normative_checked }}> normative knowledge (o)<br>
-            <input type="checkbox" name="topological_k" value="topological knowledge" {{ topological_checked }}> topological knowledge (x)<br>
+            <input type="checkbox" name="topological_k" value="topological knowledge" {{ topological_checked }}> topographical knowledge (x)<br>
             <input type="submit" name="run_simulation" value="Run simulation"><br>
         </form>
     </div>