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-rw-r--r--docs/doxygen.cfg2
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/doxygen.cfg b/docs/doxygen.cfg
index 52a0c4c9e7..46bad0a5fc 100644
--- a/docs/doxygen.cfg
+++ b/docs/doxygen.cfg
@@ -411,7 +411,7 @@ ALPHABETICAL_INDEX = YES
# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
# in which this list will be split (can be a number in the range [1..20])
-COLS_IN_ALPHA_INDEX = 5
+COLS_IN_ALPHA_INDEX = 4
# In case all classes in a project start with a common prefix, all
# classes will be put under the same header in the alphabetical index.