Update readme Depan changelog

Author: pinterf

README_depans.txt

@@ -21,7 +21,7 @@ Change log
 - (20200430)
   Depan 2.13.1.5: 
   fix regression: DepanInterleave colorspace check allowed no planar, only YUY2
-  Depan: Fix and issue when searched for inputlog file when there was inputlog filename provided
+  Depan: Fix an issue when Depan would search for inputlog file even when there was no inputlog filename provided
   Depan: Fix crash on YUY2 input on internal YV16 conversion
 - (20190502)
   Moved to Visual Studio 2019 Community Edition, v141_xp and v142 toolset