diff --git a/libc/arch-arm/bionic/__restore.S b/libc/arch-arm/bionic/__restore.S
index 8c1e41d..5291743 100644
--- a/libc/arch-arm/bionic/__restore.S
+++ b/libc/arch-arm/bionic/__restore.S
@@ -28,13 +28,14 @@
 
 #include <private/bionic_asm.h>
 
-// gdb is smart enough to unwind through signal frames with just the regular
+// gdb is able to unwind through signal frames with just the regular
 // CFI information but libgcc and libunwind both need extra help. We do this
 // by using .fnstart/.fnend and inserting a nop before both __restore and
 // __restore_rt (but covered by the .fnstart/.fnend) so that although they're
 // not inside the functions from objdump's point of view, an unwinder that
-// blindly looks at the previous instruction (but is then smart enough to check
-// the unwind information to find out where it landed) gets the right answer.
+// just assumes it should look at the previous instruction (but is then smart
+// enough to check the unwind information to find out where it landed) gets
+// the right answer.
 // Make sure not to have both DWARF and ARM unwind information, so only
 // use the ARM unwind information.
 
diff --git a/libc/bionic/fdsan.cpp b/libc/bionic/fdsan.cpp
index 4b89918..043510c 100644
--- a/libc/bionic/fdsan.cpp
+++ b/libc/bionic/fdsan.cpp
@@ -137,7 +137,7 @@
     return;
   }
 
-  // Lots of code will (sensibly) fork, blindly call close on all of their fds,
+  // Lots of code will (sensibly) fork, call close on all of their fds,
   // and then exec. Compare our cached pid value against the real one to detect
   // this scenario and permit it.
   pid_t cached_pid = __get_cached_pid();
diff --git a/libc/bionic/fork.cpp b/libc/bionic/fork.cpp
index 3814ed0..982ba95 100644
--- a/libc/bionic/fork.cpp
+++ b/libc/bionic/fork.cpp
@@ -56,7 +56,7 @@
 
   if (result == 0) {
     // Disable fdsan post-fork, so we don't falsely trigger on processes that
-    // fork, close all of their fds blindly, and then exec.
+    // fork, close all of their fds, and then exec.
     android_fdsan_set_error_level(ANDROID_FDSAN_ERROR_LEVEL_DISABLED);
 
     // Reset the stack_and_tls VMA name so it doesn't end with a tid from the
diff --git a/libc/bionic/ndk_cruft.cpp b/libc/bionic/ndk_cruft.cpp
index e9a5b5b..b15a317 100644
--- a/libc/bionic/ndk_cruft.cpp
+++ b/libc/bionic/ndk_cruft.cpp
@@ -55,8 +55,9 @@
 // By the time any NDK-built code is running, there are plenty of threads.
 int __isthreaded = 1;
 
-// These were accidentally declared in <unistd.h> because we stupidly used to inline
-// getpagesize() and __getpageshift(). Needed for backwards compatibility with old NDK apps.
+// These were accidentally declared in <unistd.h> because we used to inline
+// getpagesize() and __getpageshift(). Needed for backwards compatibility
+// with old NDK apps.
 unsigned int __page_size = PAGE_SIZE;
 unsigned int __page_shift = 12;
 
diff --git a/libc/include/android/fdsan.h b/libc/include/android/fdsan.h
index 83b9318..e23de85 100644
--- a/libc/include/android/fdsan.h
+++ b/libc/include/android/fdsan.h
@@ -186,7 +186,8 @@
  * Set the error level and return the previous state.
  *
  * Error checking is automatically disabled in the child of a fork, to maintain
- * compatibility with code that forks, blindly closes FDs, and then execs.
+ * compatibility with code that forks, closes all file descriptors, and then
+ * execs.
  *
  * In cases such as the zygote, where the child has no intention of calling
  * exec, call this function to reenable fdsan checks.
diff --git a/libc/kernel/tools/cpp.py b/libc/kernel/tools/cpp.py
index b6a1538..8538eb0 100755
--- a/libc/kernel/tools/cpp.py
+++ b/libc/kernel/tools/cpp.py
@@ -267,7 +267,7 @@
 
     def parseString(self, lines):
         """Parse a list of text lines into a BlockList object."""
-        file_ = 'dummy.c'
+        file_ = 'no-filename-available.c'
         self._tu = self._indexer.parse(file_, self.clang_flags,
                                        unsaved_files=[(file_, lines)],
                                        options=self.options)
diff --git a/libc/tools/check-symbols-glibc.py b/libc/tools/check-symbols-glibc.py
index 4de0181..d8d1982 100755
--- a/libc/tools/check-symbols-glibc.py
+++ b/libc/tools/check-symbols-glibc.py
@@ -182,9 +182,9 @@
   '_ctype_',
   '__libc_init',
 ])
-# POSIX has some stuff that's too stupid for words (a64l) or not actually
-# implemented in glibc unless you count always failing with ENOSYS as
-# being implemented (fattach). Other stuff (fmtmsg) isn't used in any
+# POSIX has some stuff that's unusable in the modern world (a64l) or not
+# actually implemented in glibc unless you count always failing with ENOSYS
+# as being implemented (fattach). Other stuff (fmtmsg) isn't used in any
 # codebase I have access to, internal or external.
 in_posix_and_glibc_but_dead_or_useless = set([
   'a64l', # obsolete