diff --git a/README.md b/README.md
index 800e7a8..07f7f16 100644
--- a/README.md
+++ b/README.md
@@ -160,7 +160,7 @@ options:
   --keep-audio                                             keep original audio
   --keep-frames                                            keep temporary frames
   --many-faces                                             process every face
-  --nsfw-filter                                            filter the NSFW image or video.
+  --nsfw-filter                                            filter the NSFW image or video
   --video-encoder {libx264,libx265,libvpx-vp9}             adjust output video encoder
   --video-quality [0-51]                                   adjust output video quality
   --max-memory MAX_MEMORY                                  maximum amount of RAM in GB
diff --git a/modules/predicter.py b/modules/predicter.py
index 8467f72..dbb680e 100644
--- a/modules/predicter.py
+++ b/modules/predicter.py
@@ -6,6 +6,7 @@ from modules.typing import Frame
 
 MAX_PROBABILITY = 0.85
 
+# Preload the model once for efficiency
 model = None
 
 def predict_frame(target_frame: Frame) -> bool:
diff --git a/modules/ui.py b/modules/ui.py
index b699f4c..b874175 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -193,7 +193,7 @@ def select_output_path(start: Callable[[], None]) -> None:
 
 
 def check_and_ignore_nsfw(target, destroy: Callable = None) -> bool:
-    ''' Check the target is NSFW or not.
+    ''' Check if the target is NSFW.
     TODO: Consider to make blur the target.
     '''
     from numpy import ndarray