diff --git a/libc/bionic/clearenv.c b/libc/bionic/clearenv.c
index ffc58d9..9a3b2a1 100644
--- a/libc/bionic/clearenv.c
+++ b/libc/bionic/clearenv.c
@@ -30,10 +30,10 @@
 
 int clearenv(void)
 {
-	char **P = environ;
-	int offset;
+	char **P;
 
-	for (P = &environ[offset]; *P; ++P)
+	for (P = environ; *P; ++P)
 		*P = 0;
-        return 0;
+
+	return 0;
 }
diff --git a/libc/bionic/libc_init_common.c b/libc/bionic/libc_init_common.c
index d78d673..dd6e027 100644
--- a/libc/bionic/libc_init_common.c
+++ b/libc/bionic/libc_init_common.c
@@ -62,7 +62,7 @@
     static pthread_internal_t  thread;
     static void*               tls_area[BIONIC_TLS_SLOTS];
 
-    /* setup pthread runtime and maint thread descriptor */
+    /* setup pthread runtime and main thread descriptor */
     unsigned stacktop = (__get_sp() & ~(PAGE_SIZE - 1)) + PAGE_SIZE;
     unsigned stacksize = 128 * 1024;
     unsigned stackbottom = stacktop - stacksize;
diff --git a/libc/bionic/libc_init_dynamic.c b/libc/bionic/libc_init_dynamic.c
index 682ebcf..97e80ea 100644
--- a/libc/bionic/libc_init_dynamic.c
+++ b/libc/bionic/libc_init_dynamic.c
@@ -61,7 +61,7 @@
 
 void __libc_prenit(void)
 {
-    /* Read the ELF data pointer form a special slot of the
+    /* Read the ELF data pointer from a special slot of the
      * TLS area, then call __libc_init_common with it.
      *
      * Note that: