cmap_keys.8: Fix spelling and grammar errors

- "There are informations" changed to "There is information"
- Other occurrences of informations changed to information

Original patch was created by Richard B Winters <rik@mmogp.com>, so
thanks for it.

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>

man/cmap_keys.8

@@ -85,7 +85,7 @@ to change keys in this prefix.
 
 .TP
 runtime.connections.*
-This is information about total number of active connections in a given moment in the
+There is information about total number of active connections in given moment in the
 .B active
 key, number of closed connections during whole runtime of corosync in the
 .B closed
@@ -274,7 +274,7 @@ State of the client. Can be one of failed, stopped, running and waiting for quor
 
 .TP
 uidgid.*
-Informations about users/groups which are allowed to make IPC connections to
+Information about users/groups which are allowed to make IPC connections to
 corosync.
 
 .TP