diff --git a/CHANGELOG.md b/CHANGELOG.md
index adc9531a6..266f72429 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2211,7 +2211,7 @@ Major version of SWF to XML export changed to 2.
 - [#832] AS3 direct edit - other ABCs resolving fix
 - [#904] Cannot export images
 - [#910] Missing instructions
-- Opening not existent files on restoring last session
+- Opening nonexistent files on restoring last session
 - [#922] Edit text leading
 - Put image before shape on shape replace
 - [#916] Replacing Shape corrupts SWF
diff --git a/src/com/sun/jna/platform/win32/WinError.java b/src/com/sun/jna/platform/win32/WinError.java
index 346321dd0..7dd55f956 100644
--- a/src/com/sun/jna/platform/win32/WinError.java
+++ b/src/com/sun/jna/platform/win32/WinError.java
@@ -33319,7 +33319,7 @@ public interface WinError {
     //
     // MessageText:
     //
-    // An attempt was made to end a non-existent transaction.
+    // An attempt was made to end a nonexistent transaction.
     //
     int SCARD_E_NOT_TRANSACTED = 0x80100016;