Fix typo.

client/README.md

@@ -6,7 +6,7 @@ This directory contains RAPPOR client implementations in various languages.
 The privacy of RAPPOR is based on the client "lying" about the true values --
 that is, not sending them over the network.
 
-They clients are typically small in terms of code size because the RAPPOR
+The clients are typically small in terms of code size because the RAPPOR
 client algorithm is simple.  See the README.md in each subdirectory for details
 on how to use the library.
 
@@ -23,7 +23,7 @@ The `regtest.sh` script in the root of this repository does the following:
 4. Compares the analysis to the true client values, with metrics and plots.
 
 To have your client tested, you need a small executable wrapper, which reads
-and write sa CSV file in a specified format.
+and write as CSV file in a specified format.
 
 Then add it to the `_run-one-instance` function in `regtest.sh`.