[libc][obvious] fix phrasing in assert comment

Author: michaelrj-google

libc/src/assert/assert.h

@@ -8,16 +8,17 @@
 
 #include "src/assert/__assert_fail.h"
 
-// There is no header guard here since assert is intended to be able to be
-// able to be included multiple times with NDEBUG defined differently, causing
-// different behavior.
+// There is no header guard here since assert is intended to capable of being
+// included multiple times with NDEBUG defined differently, causing different
+// behavior.
 
 #undef assert
 
 #ifdef NDEBUG
 #define assert(e) (void)0
 #else
 #define assert(e)                                                              \
-  ((e) ? (void)0 :                                                             \
-    __llvm_libc::__assert_fail(#e, __FILE__, __LINE__, __PRETTY_FUNCTION__))
+  ((e) ? (void)0                                                               \
+       : __llvm_libc::__assert_fail(#e, __FILE__, __LINE__,                    \
+                                    __PRETTY_FUNCTION__))
 #endif