diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 4e4b3e56..8f8cbf07 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -63,13 +63,13 @@ extern "C"
     /* Register a handler to be run at normal program termination. */
     int atexit(void (*func)(void));
 
-    /* Parse a decimal integer from the a string. */
+    /* Parse a decimal integer from a string. */
     int atoi(const char* s);
 
-    /* Parse a decimal integer from the a string. */
+    /* Parse a decimal integer from a string. */
     long atol(const char* s);
 
-    /* Parse a decimal integer from the a string. */
+    /* Parse a decimal integer from a string. */
     long long atoll(const char* s);
 
     double atof(const char*);