[Minor] Another adjustment to lang_detection

diff --git a/src/libmime/lang_detection.c b/src/libmime/lang_detection.c
index 374e38f833b9a9fa2aa1ea9ce19f15c7a823caf4..17042f1a95b151812427485d8557f23b1f7e9c7c 100644 (file)
--- a/src/libmime/lang_detection.c
+++ b/src/libmime/lang_detection.c
@@ -751,7 +751,7 @@ rspamd_language_detector_detect (struct rspamd_lang_detector *d,
                        /* Try to improve guess */
                        tcandidates = g_hash_table_new_full (rspamd_str_hash, rspamd_str_equal,
                                        NULL, g_free);
-                       r = rspamd_language_detector_try_ngramm (d, ucs_tokens, rs_bigramm,
+                       r = rspamd_language_detector_try_ngramm (d, ucs_tokens, rs_trigramm,
                                        tcandidates);
 
                        switch (r) {
@@ -789,15 +789,16 @@ rspamd_language_detector_detect (struct rspamd_lang_detector *d,
                                g_hash_table_unref (candidates);
                                candidates = tcandidates;
 
-                               msg_err ("bigramms checked, %.3f mean, %.4f stddev", mean, std);
+                               msg_err ("trigramms checked, %.3f mean, %.4f stddev", mean, std);
 
-                               if (std / fabs (mean) < 0.3) {
+                               if (std / fabs (mean) < 0.01) {
                                        /* Try trigramms */
                                        tcandidates = g_hash_table_new_full (rspamd_str_hash,
                                                        rspamd_str_equal,
                                                        NULL, g_free);
 
-                                       r = rspamd_language_detector_try_ngramm (d, ucs_tokens, rs_trigramm,
+                                       r = rspamd_language_detector_try_ngramm (d, ucs_tokens,
+                                                       rs_trigramm,
                                                        tcandidates);
 
                                        if (r != rs_detect_none) {