diff --git a/tools/documentation/tfm_cmake_defaults.py b/tools/documentation/tfm_cmake_defaults.py
index 5fb7b86..9aff5c6 100644
--- a/tools/documentation/tfm_cmake_defaults.py
+++ b/tools/documentation/tfm_cmake_defaults.py
@@ -1,5 +1,5 @@
 # -----------------------------------------------------------------------------
-# Copyright (c) 2020, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -186,8 +186,8 @@
     tfm_def_tfm_ver_shrt = ".".join(version[:2])
 
     if (int(commit_no) > 0):
-        tfm_def_tfm_ver_full = "%s+ ( #%s )" % (tfm_def_tfm_ver_full, git_hash)
-        tfm_def_tfm_ver_shrt = "%s+ ( #%s )" % (tfm_def_tfm_ver_shrt, git_hash)
+        tfm_def_tfm_ver_full = "%s+ ( %s )" % (tfm_def_tfm_ver_full, git_hash)
+        tfm_def_tfm_ver_shrt = "%s+ ( %s )" % (tfm_def_tfm_ver_shrt, git_hash)
 
     tfm_def_tfm_ver_shrt = tfm_def_tfm_ver_full