diff --git a/json.c b/json.c
index deef49ff..f57fbbff 100644
--- a/json.c
+++ b/json.c
@@ -104,13 +104,13 @@ typedef struct
 
 static void * default_alloc (size_t size, int zero, void * user_data)
 {
-   (void)user_data; /* ignore unused-parameter warn */
+   (void)user_data; /* silence unused parameter warning */
    return zero ? calloc (1, size) : malloc (size);
 }
 
 static void default_free (void * ptr, void * user_data)
 {
-   (void)user_data; /* ignore unused-parameter warn */
+   (void)user_data; /* silence unused parameter warning */
    free (ptr);
 }
 
diff --git a/tests/test.c b/tests/test.c
index 9d2c4fba..e5023629 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -96,7 +96,7 @@ static enum json_test_result json_test(const char * filename_buffer, json_settin
 static void * noisy_alloc(size_t count, int zero, void * user_data)
 {
    void * ret;
-   (void)user_data; /* silence unused param warning */
+   (void)user_data; /* silence unused parameter warning */
    if(zero)
    {
       fprintf(stderr, "calloc %lu bytes: ", (unsigned long)count);
@@ -112,7 +112,7 @@ static void * noisy_alloc(size_t count, int zero, void * user_data)
 }
 static void noisy_free(void * ptr, void * user_data)
 {
-   (void)user_data; /* silence unused param warning */
+   (void)user_data; /* silence unused parameter warning */
    fprintf(stderr, "free %p\n", ptr);
    free(ptr);
 }