diff --git a/src/stc/scintilla/include/Scintilla.iface b/src/stc/scintilla/include/Scintilla.iface
index 035d80235f..d5be8c58c0 100644
--- a/src/stc/scintilla/include/Scintilla.iface
+++ b/src/stc/scintilla/include/Scintilla.iface
@@ -263,7 +263,7 @@ val SC_IME_INLINE=1
 # Is the IME displayed in a window or inline?
 get int GetIMEInteraction=2678(,)
 
-# Choose to display the the IME in a winow or inline.
+# Choose to display the IME in a winow or inline.
 set void SetIMEInteraction=2679(int imeInteraction,)
 
 enu MarkerSymbol=SC_MARK_
@@ -736,7 +736,7 @@ set void SetCaretLineBack=2098(colour back,)
 # Experimental feature, currently buggy.
 set void StyleSetChangeable=2099(int style, bool changeable)
 
-# Display a auto-completion list.
+# Display an auto-completion list.
 # The lengthEntered parameter indicates how many characters before
 # the caret should be used to provide context.
 fun void AutoCShow=2100(int lengthEntered, string itemList)
@@ -2150,10 +2150,10 @@ set void SetIndicatorValue=2502(int value,)
 # Get the current indicator value
 get int GetIndicatorValue=2503(,)
 
-# Turn a indicator on over a range.
+# Turn an indicator on over a range.
 fun void IndicatorFillRange=2504(position start, int lengthFill)
 
-# Turn a indicator off over a range.
+# Turn an indicator off over a range.
 fun void IndicatorClearRange=2505(position start, int lengthClear)
 
 # Are any indicators present at pos?
diff --git a/src/stc/stc.interface.h.in b/src/stc/stc.interface.h.in
index 3ce91d11e4..ad64414f52 100644
--- a/src/stc/stc.interface.h.in
+++ b/src/stc/stc.interface.h.in
@@ -1076,7 +1076,7 @@ public:
 
     @c wxEVT_STC_INDICATOR_CLICK
 
-    - Generated when a indicator has been clicked.
+    - Generated when an indicator has been clicked.
 
     - Valid event functions:
     @link wxStyledTextEvent::GetModifiers GetModifiers@endlink,
@@ -1087,7 +1087,7 @@ public:
 
     @c wxEVT_STC_INDICATOR_RELEASE
 
-    - Generated when a click over a indicator has been released.
+    - Generated when a click over an indicator has been released.
 
     - Valid event functions:
     @link wxStyledTextEvent::GetModifiers GetModifiers@endlink,