diff --git a/Source/CursesDialog/ccmake.cxx b/Source/CursesDialog/ccmake.cxx
index 9c19a10197..1166a648eb 100644
--- a/Source/CursesDialog/ccmake.cxx
+++ b/Source/CursesDialog/ccmake.cxx
@@ -39,7 +39,8 @@ static const cmDocumentationEntry cmDocumentationName[] =
 static const cmDocumentationEntry cmDocumentationUsage[] =
 {
   {0,
-   "  ccmake <path-to-source>", 0},
+   "  ccmake <path-to-source>\n"
+   "  ccmake <path-to-existing-build>", 0},
   {0,0,0}
 };
 
diff --git a/Source/MFCDialog/CMakeSetup.cpp b/Source/MFCDialog/CMakeSetup.cpp
index 29359cf4d9..aab984e252 100644
--- a/Source/MFCDialog/CMakeSetup.cpp
+++ b/Source/MFCDialog/CMakeSetup.cpp
@@ -23,7 +23,7 @@ static const cmDocumentationEntry cmDocumentationUsage[] =
   {0,
    "  CMakeSetup [options]\n"
    "  CMakeSetup [options] <path-to-source>\n"
-   "  CMakeSetup [options] <path-to-build>", 0},
+   "  CMakeSetup [options] <path-to-existing-build>", 0},
   {0,0,0}
 };
 
diff --git a/Source/cmakemain.cxx b/Source/cmakemain.cxx
index 24176ca5a6..7a19d09ad0 100644
--- a/Source/cmakemain.cxx
+++ b/Source/cmakemain.cxx
@@ -33,7 +33,8 @@ static const cmDocumentationEntry cmDocumentationName[] =
 static const cmDocumentationEntry cmDocumentationUsage[] =
 {
   {0,
-   "  cmake [options] <path-to-source>", 0},
+   "  cmake [options] <path-to-source>\n"
+   "  cmake [options] <path-to-existing-build>", 0},
   {0,0,0}
 };