diff --git a/conv/CMakeLists.txt b/conv/CMakeLists.txt
index 4935b1d..0a466cd 100644
--- a/conv/CMakeLists.txt
+++ b/conv/CMakeLists.txt
@@ -3,5 +3,5 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${BLKY_CXX_FLAGS} -I ${PROJECT_SOURCE_DI
 add_executable(bidx_video common.hh bidx_video.cc)
 target_link_libraries(bidx_video PRIVATE args minimp4 openh264)
 
-add_executable(video_bprob common.hh video_bprob.cc)
-target_link_libraries(video_bprob PRIVATE args minimp4 openh264)
+add_executable(video_fprob common.hh video_fprob.cc)
+target_link_libraries(video_fprob PRIVATE args minimp4 openh264)
diff --git a/conv/video_bprob.cc b/conv/video_fprob.cc
similarity index 99%
rename from conv/video_bprob.cc
rename to conv/video_fprob.cc
index a172051..cbcd7ad 100644
--- a/conv/video_bprob.cc
+++ b/conv/video_fprob.cc
@@ -20,7 +20,7 @@ namespace param {
 using namespace ::args;
 
 ArgumentParser parser {
-  "converter: video -> block probability matrix"
+  "converter: video -> feature probability matrix"
 };
 HelpFlag help {
   parser, "help", "display this menu", {'h', "help"},