1 files changed, 3 insertions, 1 deletions
diff --git a/Doxygenfile b/Doxygenfile
index 7b6e7fb4..61e954ea 100644
--- a/Doxygenfile
+++ b/Doxygenfile
@@ -226,7 +226,7 @@ SEPARATE_MEMBER_PAGES  = NO
 # uses this value to replace tabs by spaces in code fragments.
 # Minimum value: 1, maximum value: 16, default value: 4.
 
-TAB_SIZE               = 2
+TAB_SIZE               = 4
 
 # This tag can be used to specify a number of aliases that act as commands in
 # the documentation. An alias has the form:
@@ -805,6 +805,8 @@ RECURSIVE              = YES
 
 EXCLUDE                = boards \
                          drivers \
+                         tools \
+                         3rdparty \
                          demos
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or