diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a8133f7..5a2556e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,7 @@ endif()
 # The version number.
 set (iqtree_VERSION_MAJOR 1)
 set (iqtree_VERSION_MINOR 7)
-set (iqtree_VERSION_PATCH "-beta5")
+set (iqtree_VERSION_PATCH "-beta6")
 
 set(BUILD_SHARED_LIBS OFF)
 
diff --git a/utils/tools.cpp b/utils/tools.cpp
index 706caa96..314473a0 100644
--- a/utils/tools.cpp
+++ b/utils/tools.cpp
@@ -4160,7 +4160,7 @@ void usage_iqtree(char* argv[], bool full_command) {
 
     << endl << "CONCORDANCE FACTOR ANALYSIS:" << endl
     << "  -t FILE              Reference tree to assign concordance factor" << endl
-    << "  --gcf FILE           Set of trees gene concordance factor (gCF)" << endl
+    << "  --gcf FILE           Set of source trees for gene concordance factor (gCF)" << endl
     << "  --scf NUMBER         Number of quartets for site concordance factor (sCF)" << endl
     << "  -s FILE              Sequence alignment for --scf" << endl
     << "  -p FILE|DIR          Partition file or directory for --scf" << endl