Merge pull request #5594 from MuhammedZakir/patch-1

Fix typo in GUIDE.md

Author: snoyberg

doc/GUIDE.md

@@ -1745,7 +1745,7 @@ but adds the `+RTS -xc` runtime option.
 
 Building with debugging symbols in the [DWARF information](https://ghc.haskell.org/trac/ghc/wiki/DWARF) is supported by `stack`. This can be done by passing the flag `--ghc-options="-g"` and also to override the default behaviour of stripping executables of debugging symbols by passing either one of the following flags: `--no-strip`, `--no-library-stripping` or `--no-executable-stripping`.
 
-In Windows GDB can be isntalled to debug an executable with `stack exec -- pacman -S gdb`. Windows visual studio compiler's debugging format PDB is not supported at the moment. This might be possible by [separating](https://stackoverflow.com/questions/866721/how-to-generate-gcc-debug-symbol-outside-the-build-target) debugging symbols and [converting](https://github.com/rainers/cv2pdb) their format. Or as an option when [using the LLVM backend](http://blog.llvm.org/2017/08/llvm-on-windows-now-supports-pdb-debug.html).
+In Windows GDB can be installed to debug an executable with `stack exec -- pacman -S gdb`. Windows visual studio compiler's debugging format PDB is not supported at the moment. This might be possible by [separating](https://stackoverflow.com/questions/866721/how-to-generate-gcc-debug-symbol-outside-the-build-target) debugging symbols and [converting](https://github.com/rainers/cv2pdb) their format. Or as an option when [using the LLVM backend](http://blog.llvm.org/2017/08/llvm-on-windows-now-supports-pdb-debug.html).
 
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