diff --git a/similarity_search.c b/similarity_search.c
index 68cc9b7..a6fdeb2 100644
--- a/similarity_search.c
+++ b/similarity_search.c
@@ -77,8 +77,8 @@ float word_similarity(const char *word1, const char *word2) {
     int len1 = strlen(word1);
     int len2 = strlen(word2);
     
-    // For very short words (3 chars or less), require exact match
-    if (len1 <= 3 || len2 <= 3) {
+    // For very short words (2 chars or less), require exact match
+    if (len1 <= 2 || len2 <= 2) {
         return str_case_cmp(word1, word2) == 0 ? 1.0f : 0.0f;
     }