diff --git a/man/rgbasm.5 b/man/rgbasm.5
index 7d8ae1606..9a2990cf3 100644
--- a/man/rgbasm.5
+++ b/man/rgbasm.5
@@ -1529,7 +1529,7 @@ to include a raw binary file as it is.
 If the file isn't found in the current directory, the include-path list passed to
 .Xr rgbasm 1
 (see the
-.Fl i
+.Fl I
 option) on the command line will be searched.
 .Bd -literal -offset indent
 INCBIN "titlepic.bin"
@@ -2030,7 +2030,7 @@ Use
 .Ic INCLUDE
 to process another assembler file and then return to the current file when done.
 If the file isn't found in the current directory, the include path list (see the
-.Fl i
+.Fl I
 option in
 .Xr rgbasm 1 )
 will be searched.