detect/engine: fix typos in assorted files

src/detect-engine-mpm.c

@@ -2235,7 +2235,7 @@ static void PatternFreeFunc(void *ptr)
 }
 
 /**
- * \brief Figured out the FP and their respective content ids for all the
+ * \brief Figure out the FP and their respective content ids for all the
  *        sigs in the engine.
  *
  * \param de_ctx Detection engine context.

src/detect-engine-mpm.h

@@ -66,7 +66,7 @@ void MpmStoreReportStats(const DetectEngineCtx *de_ctx);
 MpmStore *MpmStorePrepareBuffer(DetectEngineCtx *de_ctx, SigGroupHead *sgh, enum MpmBuiltinBuffers buf);
 
 /**
- * \brief Figured out the FP and their respective content ids for all the
+ * \brief Figure out the FP and their respective content ids for all the
  *        sigs in the engine.
  *
  * \param de_ctx Detection engine context.

src/detect-engine-sigorder.c

@@ -777,7 +777,7 @@ void SCSigOrderSignatures(DetectEngineCtx *de_ctx)
 
 /**
  * \brief Lets you register the Signature ordering functions.  The order in
- *        which the functions are registered, show the priority.  The first
+ *        which the functions are registered shows the priority.  The first
  *        function registered provides more priority than the function
  *        registered after it.  To add a new registration function, register
  *        it by listing it in the correct position in the below sequence,