Fixed the typos.

Author: robinflyman

Python_Engine/Compute/InstallPythonEnvironment.cs

@@ -42,7 +42,7 @@ public static PythonEnvironment InstallPythonEnvironment(this PythonEnvironment
         {
             if (!run)
             {
-                BH.Engine.Base.Compute.RecordNote($"This component will install a Python environment for {pythonEnvironment.Name} if it doesn not exist, or return the eixtsing environment if it does.");
+                BH.Engine.Base.Compute.RecordNote($"This component will install a Python environment for {pythonEnvironment.Name} if it doesn't exist, or return the existing environment if it does.");
                 return null;
             }
 

Python_Engine/Query/CodeDirectory.cs

@@ -44,7 +44,7 @@ public static string CodeDirectory(this PythonEnvironment pythonEnvironment)
 
             if (!System.IO.Directory.Exists(codeDirectory))
             {
-                BH.Engine.Base.Compute.RecordError("This toolkits Python code doesn't seem to be installed.");
+                BH.Engine.Base.Compute.RecordError("This toolkit's Python code doesn't seem to be installed.");
             }
             return codeDirectory;
         }