docs: cleanup typos on readthrough

Type: style

Change-Id: I3b15035ea6c13cd1ca3cdc9dfa9b10a6e1be9880
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/docs/gettingstarted/progressivevpp/twovppinstances.rst b/docs/gettingstarted/progressivevpp/twovppinstances.rst
index 7a8bbe0..7ac9b5e 100644
--- a/docs/gettingstarted/progressivevpp/twovppinstances.rst
+++ b/docs/gettingstarted/progressivevpp/twovppinstances.rst
@@ -83,7 +83,7 @@
    vpp# create interface memif id 0 master
 
 This will create an interface on vpp1 memif0/0 using /run/vpp/memif as
-its socket file. The role of vpp1 for this memif inteface is 'master'.
+its socket file. The role of vpp1 for this memif interface is 'master'.
 
 With what you have learned:
 
@@ -104,7 +104,7 @@
    vpp# create interface memif id 0 slave
 
 This will create an interface on vpp2 memif0/0 using /run/vpp/memif as
-its socket file. The role of vpp1 for this memif inteface is 'slave'.
+its socket file. The role of vpp1 for this memif interface is 'slave'.
 
 Use your previously used skills to: