git-p4: Fix error message crash in P4Sync.commit.

diff --git a/contrib/fast-import/git-p4.txt b/contrib/fast-import/git-p4.txt
index 49b335921a3871d82a2c0110170a6e66d71561ee..e09da445b692db2a1cbdba7ee49456de6e2571e9 100644 (file)
--- a/contrib/fast-import/git-p4.txt
+++ b/contrib/fast-import/git-p4.txt
@@ -191,6 +191,11 @@ git-p4.useclientspec
 
   git config [--global] git-p4.useclientspec false
 
+The P4CLIENT environment variable should be correctly set for p4 to be
+able to find the relevant client.  This client spec will be used to
+both filter the files cloned by git and set the directory layout as
+specified in the client (this implies --keep-path style semantics).
+
 Implementation Details...
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