diff --git a/tools/ktx/command_encode.cpp b/tools/ktx/command_encode.cpp
index 7f026d9ae6..a9577ba56d 100644
--- a/tools/ktx/command_encode.cpp
+++ b/tools/ktx/command_encode.cpp
@@ -146,8 +146,8 @@ void CommandEncode::OptionsEncode::init(cxxopts::Options& opts) {
         (kFormat, "KTX format enum that specifies the KTX file output format."
                   " The enum names are matching the VkFormats without the VK_FORMAT_ prefix."
                   " The VK_FORMAT_ prefix is ignored if present."
-                  "\nIt can't be used with --codec and only valid for ASTC encoding."
-                  "\nThe format must be an ASTC format. When specified the ASTC encoder specific "
+                  "\nIt can't be used with --codec and is only valid for ASTC encoding."
+                  "\nThe format must be an ASTC format. When specified the ASTC encoder specific"
                   " options becomes valid."
                   " Case insensitive.", cxxopts::value<std::string>(), "<enum>")
         (kCodec, "Target codec."