labs: yocto-devtool: fix some typos

labs/yocto-devtool/yocto-devtool.tex

@@ -39,7 +39,7 @@ \section{Generate a new recipe}
 
 The first \code{INFO} line means devtool has created the workspace in the
 \code{workspace} directory inside the \code{build} directory. Take a moment
-to inspect how the workspace looks like, but remind to never modify it
+to inspect how the workspace looks like, but remember to never modify it
 manually: the workspace is the internal state of devtool, so it may stop
 working if it is modified externally. The workspace now looks like this:
 
@@ -223,7 +223,7 @@ \section{Generate a new recipe}
 \section{Modify a recipe}
 
 Now use devtool to modify the hello recipe adding a patch. This can be very
-useful if you have to fix a bug in a third-party program and there is now
+useful if you have to fix a bug in a third-party program and there is no
 patch around to fix it yet.
 
 Use \code{devtool modify} to put an existing recipe under the control of devtool: