diff --git a/Extensions/Testing/EditorExtensionTemplate/EditorEffectTemplate/EditorEffectTemplate.py b/Extensions/Testing/EditorExtensionTemplate/EditorEffectTemplate/EditorEffectTemplate.py
index 714b26cf3e0..3232a6c88f4 100644
--- a/Extensions/Testing/EditorExtensionTemplate/EditorEffectTemplate/EditorEffectTemplate.py
+++ b/Extensions/Testing/EditorExtensionTemplate/EditorEffectTemplate/EditorEffectTemplate.py
@@ -9,7 +9,7 @@
 #
 # The Editor Extension itself.
 #
-# This needs to define the hooks to be come an editor effect.
+# This needs to define the hooks to become an editor effect.
 #
 
 #
diff --git a/Modules/Scripted/EditorLib/FastMarchingEffect.py b/Modules/Scripted/EditorLib/FastMarchingEffect.py
index 7bfa1b55e75..82f784048cf 100644
--- a/Modules/Scripted/EditorLib/FastMarchingEffect.py
+++ b/Modules/Scripted/EditorLib/FastMarchingEffect.py
@@ -14,7 +14,7 @@
 #
 # The Editor Extension itself.
 #
-# This needs to define the hooks to be come an editor effect.
+# This needs to define the hooks to become an editor effect.
 #
 
 #
diff --git a/Modules/Scripted/EditorLib/WandEffect.py b/Modules/Scripted/EditorLib/WandEffect.py
index aac056698f8..71a7e41284d 100644
--- a/Modules/Scripted/EditorLib/WandEffect.py
+++ b/Modules/Scripted/EditorLib/WandEffect.py
@@ -14,7 +14,7 @@
   ]
 
 #
-# This defines the hooks to be come an editor effect.
+# This defines the hooks to become an editor effect.
 #
 
 #
diff --git a/Modules/Scripted/EditorLib/WatershedFromMarkerEffect.py b/Modules/Scripted/EditorLib/WatershedFromMarkerEffect.py
index be800dd7007..c86d0d2a0ff 100644
--- a/Modules/Scripted/EditorLib/WatershedFromMarkerEffect.py
+++ b/Modules/Scripted/EditorLib/WatershedFromMarkerEffect.py
@@ -18,7 +18,7 @@
 #
 # The Editor Extension itself.
 #
-# This needs to define the hooks to be come an editor effect.
+# This needs to define the hooks to become an editor effect.
 #
 
 #