diff --git a/src/ansi_c_implementation/NLMSvariants.c b/src/ansi_c_implementation/NLMSvariants.c
index e66a31d..d8913f7 100644
--- a/src/ansi_c_implementation/NLMSvariants.c
+++ b/src/ansi_c_implementation/NLMSvariants.c
@@ -887,7 +887,7 @@ void usage ( char **argv ) {
 	printf("\t-g true\t\t\tGraph building.\n\t\t\t\tChoose for n < 1200.\n");
 	printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time.\n");	
 	printf("\n\n");
-	printf("%s compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\t%s -i myimage.ppm -w 3 -c green -s 5 -x true\n", &argv[0][0], &argv[0][0]); 
+	printf("%s compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\t%s -i myimage.ppm -w 3 -c green -s 5 -g true\n", &argv[0][0], &argv[0][0]); 
 	exit(8);
 }
 
diff --git a/src/cpp_implementation/NLMSvariants.cpp b/src/cpp_implementation/NLMSvariants.cpp
index e66a31d..d8913f7 100644
--- a/src/cpp_implementation/NLMSvariants.cpp
+++ b/src/cpp_implementation/NLMSvariants.cpp
@@ -887,7 +887,7 @@ void usage ( char **argv ) {
 	printf("\t-g true\t\t\tGraph building.\n\t\t\t\tChoose for n < 1200.\n");
 	printf("\t-s <digit>\t\tDigit for random seed generator.\n\t\t\t\tSame Digits produce same random values. Default is srand by time.\n");	
 	printf("\n\n");
-	printf("%s compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\t%s -i myimage.ppm -w 3 -c green -s 5 -x true\n", &argv[0][0], &argv[0][0]); 
+	printf("%s compares prediction methods of least mean square filters.\nBy default it reads ppm file format and return logfiles as well\nas an svg graphs as an output of said least mean square methods.\n\nExample:\n\t%s -i myimage.ppm -w 3 -c green -s 5 -g true\n", &argv[0][0], &argv[0][0]); 
 	exit(8);
 }