diff --git a/help/cs/cs.po b/help/cs/cs.po
index 93b625c9..1d739364 100644
--- a/help/cs/cs.po
+++ b/help/cs/cs.po
@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: sysprof master\n"
-"POT-Creation-Date: 2017-06-28 17:59+0000\n"
-"PO-Revision-Date: 2017-08-31 10:58+0200\n"
+"POT-Creation-Date: 2017-09-25 16:15+0000\n"
+"PO-Revision-Date: 2017-09-25 19:06+0200\n"
 "Last-Translator: Marek Černocký <marek@manet.cz>\n"
 "Language-Team: čeština <gnome-cs-list@gnome.org>\n"
 "Language: cs\n"
@@ -372,13 +372,18 @@ msgstr ""
 "aplikace přešla do/z linuxového jádra. To se děje z různých důvodů, "
 "například kvůli <em>systémovému volání</em> nebo <em>signálu</em>."
 
+#. (itstool) path: page/title
+#: C/faq.page:9
+msgid "What does heap mean?"
+msgstr "Co znamená heap?"
+
 #. (itstool) path: section/title
-#: C/faq.page:10
+#: C/faq.page:12
 msgid "What does \"In file [heap]\" mean?"
 msgstr "Co znamená „In file [heap]“?"
 
 #. (itstool) path: section/p
-#: C/faq.page:12
+#: C/faq.page:14
 msgid ""
 "This means that sysprof believes a function was called from somewhere in the "
 "program's heap (where <code>malloc</code> allocates memory) rather than the "
@@ -391,12 +396,12 @@ msgstr ""
 "programu existuje několik vysvětlení."
 
 #. (itstool) path: section/title
-#: C/faq.page:19
+#: C/faq.page:22
 msgid "JIT (Just in Time) compilers"
 msgstr "Kompilátory JIT (Just in Time)"
 
 #. (itstool) path: section/p
-#: C/faq.page:21
+#: C/faq.page:24
 msgid ""
 "Languages like Java can generate executable code while a program is running "
 "and store it in the heap. Sysprof is accurately reporting the situation in "
@@ -406,12 +411,12 @@ msgstr ""
 "ukládat jej na haldě. Sysprof v takovém případě situaci hlásí správně."
 
 #. (itstool) path: section/title
-#: C/faq.page:27
+#: C/faq.page:30
 msgid "Optimizing compilers"
 msgstr "Optimalizující kompilátory"
 
 #. (itstool) path: section/p
-#: C/faq.page:29
+#: C/faq.page:32
 msgid ""
 "C and C++ compilers can optimize away information needed to determine a "
 "function's caller, so it is mistaken for [heap]. You can still tell how "
@@ -422,7 +427,7 @@ msgstr ""
 "říci, jak často jsou jednotlivé funkce programem volané, ale ne odkud."
 
 #. (itstool) path: note/p
-#: C/faq.page:35
+#: C/faq.page:38
 msgid ""
 "For gcc, the flag <code>-fno-omit-frame-pointer</code> will prevent this "
 "optimization. The flag is not always needed, for example on x86_64 machines "
@@ -433,7 +438,7 @@ msgstr ""
 "x86_64 je potřeba jen při optimalizaci -03."
 
 #. (itstool) path: note/p
-#: C/faq.page:41
+#: C/faq.page:44
 msgid ""
 "To get the most detailed and accurate call tree from un-optimized code, use "
 "these flags: <code>-ggdb -fno-omit-frame-pointer -O0</code>"