diff --git a/llvm/docs/CommandGuide/llvm-as.pod b/llvm/docs/CommandGuide/llvm-as.pod
index 2befed1..045a924 100644
--- a/llvm/docs/CommandGuide/llvm-as.pod
+++ b/llvm/docs/CommandGuide/llvm-as.pod
@@ -46,9 +46,9 @@
 
 =item B<-f>
 
-Force overwrite.  Normally, B<llvm-as> will refuse to overwrite an
-output file that already exists.  With this option, B<llvm-as>
-will overwrite the output file and replace it with new bitcode.
+Enable binary output on terminals.  Normally, B<llvm-as> will refuse to
+write raw bitcode output if the output stream is a terminal. With this option,
+B<llvm-as> will write raw bitcode regardless of the output device.
 
 =item B<--help>