Fix typo in the model parameters section in Update buildmodel_tutorial.py

Author: callezenwaka

beginner_source/basics/buildmodel_tutorial.py

@@ -182,7 +182,7 @@ def forward(self, x):
 print(f"Model structure: {model}\n\n")
 
 for name, param in model.named_parameters():
-    print(f"Layer: {name} | Size: {param.size()} | Values : {param[:2]} \n")
+    print(f"Layer: {name} | Size: {param.size()} | Values: {param[:2]} \n")
 
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