tree 4be5e3003c0cf46a08c14b544aa66899f333b21a
parent a4211daa452085799591c97e4e0a1a0fa50db10c
author hgangwx <hgangwx@cn.ibm.com> 1451124399 +0800
committer hgangwx <hgangwx@cn.ibm.com> 1451124527 +0800

Wrong usage of "a"

Wrong usage of "a" in the mesages:
"a integer representing the number of matched stacks"
"Send a signal and a exception will raise"
Should be:
"an integer representing the number of matched stacks"
"Send a signal and an exception will raise"
Totally 3 occasion in Heat base code.

Change-Id: Ic5ff16dd8d31d4573490ac423f7457e75b872e6b