diff --git a/bin/git-sed b/bin/git-sed
index 9ba4f81..a18fc36 100755
--- a/bin/git-sed
+++ b/bin/git-sed
@@ -2,10 +2,10 @@
 
 usage() {
     cat <<EOF
-usage: git sed [ -c ] [ -f <flags> ] <search> <replacement>
+usage: git sed [ -c ] [ -f <flags> ] <search> <replacement> [ <flags> ]
 
 Run git grep and then send results to sed for replacement with the
-given flags, if -f is provided.
+given flags, if they are provided via -f or as the third argument.
 
 Also runs git commit if -c is provided.
 EOF
@@ -54,6 +54,8 @@ actual command:
                 search="$1"
             elif [ "X$replacement" = "X" ]; then
                 replacement="$1"
+            elif [ "X$flags" = "X" ]; then
+                flags="$1"
             else
                 usage
                 echo "too many arguments: $1"
diff --git a/man/git-sed.md b/man/git-sed.md
index 19d1f48..844c2af 100644
--- a/man/git-sed.md
+++ b/man/git-sed.md
@@ -3,12 +3,12 @@ git-sed(1) -- replace patterns in git-controlled files
 
 ## SYNOPSIS
 
-`git-sed` [ -c ] [ -f <flags> ] <search> <replacement>
+`git-sed` [ -c ] [ -f <flags> ] <search> <replacement> [ <flags> ]
 
 ## DESCRIPTION
 
 Run git grep and then send results to sed for replacement with the
-given flags, if -f is provided.
+given flags, if they are provided via -f or as the third argument.
 
 Also runs git commit if -c is provided.
 
@@ -20,6 +20,7 @@ Also runs git commit if -c is provided.
   detailing the exact command ran. will fail if there are unstaged
   changes.
 
+  &lt;flags&gt;
   -f &lt;flags&gt;
 
   will use the given regex flags in the sed command (for example "g"