diff --git a/Start_Windows/input.h b/Start_Windows/input.h
index a0c73dd..5b52e3e 100644
--- a/Start_Windows/input.h
+++ b/Start_Windows/input.h
@@ -7,6 +7,6 @@
 #define MAX_LINE_LEN 1024
 
 int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount);
-int isValidWord(const char *word)
+int isValidWord(const char *word);
 
 #endif